Chapter 1- Grave Mistake and Treasure

Killua slams the door open and walk outside with heavy steps, practically stomping. Every butler and maids who witness that can only cringe and tremble. Killua's eyes are dark and his expressions are pure anguish. After Killua's gone, one maid goes inside the room and gasp seeing the trembling figure.

It was Gon, Killua's wife. Right now sitting on the bed, crying and sobbing uncontrollably.

"Gon-sama, please calm down" the maid said.

However, Gon keeps crying and sobbing. "Why, WHY!"

Her voice was broken.

The maid scoots closer, trying to calm her down. "Don't worry, Killua-sama will understand"

Upon hearing that, Gon's crying louder than before "He didn't listen! How could he understand if he don't even gave me chance to explains!?"

The maid looks at Gon sadly for a moment before holding her. "Calm down Gon-sama, you will endanger the baby"

Gon nodded but she is still sobbing. Right now she is 9 months and close to gives birth but she doesn't taking care of herself well and the baby.

"You should be strong Gon-sama. For you and for the baby" the maid said, trying to encourage her.

Gon sobbed "I know but I- I still can't believe on what Killua just told me. He- he calls me a slut and someone who is truly low and he …regrets -on marrying me. "Her voice gone quite for a moment before it replaced by a loud cries that is sound very broken.

The maid cried as well, as if feeling what Gon had been through. She hugged her, offering comfort and Gon takes it, crying and crying until she fell asleep.

Meanwhile Killua just gone out to sleep on the apartment he rents. After some fight with his wife, he started to live in the apartment just to get some space. The more he keeps remembering things about his wife, the angrier he became. Upon arriving at his apartment room, he began to destroy everything he sees. He truly wishes he could divorce Gon but sadly he can't.

He is still truly loves her.

`Is this how she repays me? By cheating on me!? She had been deceiving me all the time!?` Killua thought with anger and sadness.

Before, Killua and Gon was a very happy couple but the relationships began to shatter when a rumor had started in Killua's office.

Apparently, the rumor says that Gon had been cheating on Killua and she is truly having been unfaithful also that she is truly a slut.

At first Killua doesn't believe it but he begins to confront Gon about it. Gon denies of course but Killua could see that recently Gon has been disappearing a lot.

He also had gotten angrier when he found out that Gon was pregnant and she hadn't told him about it. He truly lost it.

He keeps yelling at her to abort that bastard child she has with another man but Gon refused and slapped him when he says that. That made Killua got angrier and left, ignoring what she wants to say then going off somewhere for unable to take it anymore.

Few months later, he was back. He truly miss his wife so much and hoping that she has aborted that child but he was more enraged when he sees that she still keep the child. He could see that his wife has gone thin and looked miserable as well but he is still angry at her for her unfaithfulness.

"Oh, so you are still keeping that bastard child huh? So who is the bastard of the father?" Killua said, his voice is practically spitting with venom.

Gon gasped and held her stomach tenderly "Don't say that! This baby is-"

Killua cut her off "Enough! You are truly a slut just like everyone has said. I can't believe it but you are truly good at hiding your true colors! Had I know this, I would never marry you! You are truly low, a scum indeed." Killua spat the words before leaving.

After Killua left, Gon gasp and went wide eyed. Unable to believe what Killua had said to her. Her tears are now flowing freely, all she could do was crying. Completely feel very heartbroken.

Few days later, KIllua goes to work as usual and again, he could hear other rumors about Gon. How he wishes that he could cover his ears or he could do something about it. He could do something about it but he still knows that people would still talk about it when he is not there and that's how it spreads.

He goes to his work office and opening the drawer to take some paperwork but stopped when he sees a picture frame.

A picture of him and Gon together, smiling.

Normally Killua would smile seeing it but now, rage is the only thing he could feel. With one swift throw, the picture glass frame shattered to pieces. He goes back to work, barely concentrating.

`I have given everything for you. Why must you break my heart by being together with someone else who isn't me? Even keeping that child. Am I not good enough for you!` Killua thought angrily but sad at the same time.

At midnight, He finally went back to his apartment and found that there is hundreds of miscalls from Gon's cellphone but he just ignores it before he goes to make himself a cup of good coffee when all of a sudden, his cellphone began to ring.

He sees the caller number and found out it was Gotoh, his head butler. He immediately hangs up, knowing the reason that Gotoh calls him was wanting him to talk to his wife again. Killua didn't know why every butler and maids would sticks up to his unfaithful wife. He sighs tiredly and began to drink his coffee before-

His cellphone rings again.

Killua cursed and sees that Gotoh calls him again. He put his phone on silent mode now, not wanting any interruptions.

Few hours later before Killua goes to bed, he hears knocking on his apartment door. Feeling truly annoyed, he opens the door only to see Gotoh standing there.

"Killua-sama, I-

Killua immediately close the door but Gotoh had already slipped his foot inside making Killua unable to close the door.

"Damn it Gotoh! What do you want! If you want me to talk to my wife then forget it!" Killua said, lowering his voice, not wanting to disturb the neighbors.

"That's not it. Besides, you can't talk to her anymore, Killua-sama!" Gotoh said, his voice sound broken.

"What do you mean?" Killua asked, somehow getting a bad feeling.

"Gon-sama… Gon-sama has.." Gotoh trailed off, few tears escaping his eyes causing Killua to get surprised.

"She- what?" Killua asked, feeling there is a pain in his chest.

"Gon-sama…has, she has passed away!" Gotoh was completely crying after he said that.

Killua could only watch in shock. Does his ears deceive him? Gon has passed away? He thought that Gotoh was just joking and trying to trick him so he would see her but he knows that Gotoh would never joke especially on something serious like this and Gotoh doesn't look like he is acting as well.

"C'mon. I'll show you!" Gotoh grab Killua's hand and lead him inside the car.

"What the- Gotoh! I haven't locked my apartment door" Killua tries to struggle but no avail.

"I already send other butler to look at your apartment! This is important right now! Gotoh said and drive towards the mansion.

After they arrives, Gotoh grab Killua again and pulls him inside until they are in a room that used to be their room (Killua and Gon). There is a figure that is covered by cloth and Gotoh slowly uncover it, revealing Gon who is now, pale and not breathing.

Killua went wide eyed and stood silently, not knowing what to do or say.

"She passed away… tonight. When she was in labor" Gotoh said.

A flame of rage is now raging inside of Killua.

"She dies because of that bastard child, serves her right!"

"Ki-Killua-sama?" Goto is completely shocked.

"Who cares about her, she is a slut and truly unfaithful"

"But she-" Gotoh tries to explain but got cut off by Killua.

"She is nothing to me… She is truly a good-for-nothing"

Goto clench his fist, he shouts immediately "If that is true, then why are you crying, Killua-sama!"

Killua is now surprised when he felt tears are now flowing freely, he can't believe he cried for her. For his unfaithful wife that he should be hated.

Should be?

"Killua-sama!" Gotoh exclaims.

"Enough! I'm going now, Gotoh!" Killua exclaims back and started to push Gotoh back when he tried to block him for leaving.

"Killua-sama!" Gotoh grab his sleeve "Even now, you still don't know the truth that she-"

"SHUT UP!" Killua yank his hand away "I'M LEAVING! "He is surprised when Gotoh has gone silent.

Gotoh looks at him for a moment before looks down "Gon-sama is way too good for you, Killua-sama!" Gotoh softly mumbled in anger and retreats, unaware that Killua had heard it.

`How could that unfaithful wife is way too good for me?` Killua thought before going back to his apartment while he is still in tears.

The next day, although he was not in mood for working. He is still going to his office with red eyes from crying too much. He knows that he shouldn't have cared about it but he knows that he is still loves her even though she is not.

`Damn! Why do I think too much about this! I mean, she deserves it!` Killua thought, trying to make himself focus.

Again, he overheard rumors about his wife again. He is about to walk pass quickly when he heard something that made him shocked.

"You know, yesterday night, someone sees Gon went and seducing someone. Seriously, what a slut"

Killua went wide eyed, remembering that Gon has passed away yesterday night.

"What's going on?" Killua softly mumbled.

How could there is still be rumors about her, especially last night when she totally has passed away!

`Could it be that- the rumors are not true!?`

Killua immediately rushes to his co-worker who is still talking but they become petrified when they see him. Killua grab one of the workers collar and glare at him.

"Where the hell did you hear about those rumors? Who told you about it!?"

Everyone is cringed and the coworker immediately says it was the other worker. Killua goes and ask again, again and again until he finally comes to the source.

It was his own secretary, Luna. Who had always tried to seduce him.

The moment he face his secretary, he bang his fist on the table and glare at now the scared Luna.

"You know, I heard from everyone here that you are the one who told them about the rumors on my cheating wife! Was it true!?" Killua glared and shouted.

Luna went paled then stutters.

"Of- Of course. I see it, really!" Luna stutters.

"Yesterday night, you really see my wife seduce someone!?" Killua glares more when he says this.

"Obviously! I really see it!" Luna says, trying to sound confident but to her own ears, her voice seem pathetic.

"Oh, I see" Killua said.

Then his action startles everyone.

He slapped Luna hard, causing Luna to fell down and held her stinging cheeks.

"YOU BITCH! HOW COULD YOU HAVE SEES MY WIFE WITH SOMEONE ELSE WHEN SHE HAS PASSED AWAY! ARE YOU TELLING ME THAT YOU HAVE SEEING A GHOST THEN?" Killua shouted with anger now.

Luna went wide eyed before smirking "Oh, she has passed away? Guess the rumors are too much for her then?"

Killua went wide eyed before seething in anger "Could it be? You are the one who spread those false rumors about my wife?"

Luna smirked. "Obliviously yes! That bitch doesn't deserve you! I am much better than her! That's why I made rumors about it! I made sure that I always get what I want, no matter what!"

Everyone who sees and hears it shocked immediately, Killua clench his fist. Hard, to the point that his knuckles have gone white.

"HOW DARE YOU!" KIllua lunged and punched Luna until she was thrown back against the wall.

Everyone tried to calm Killua down but no avail. He never felt such anger, he want to kill Luna. Slowly and painfully.

Few moments later, the security and the police managed to separate Killua with Luna before he could kill her. Right now Killua is in separate room now, being interrogated. After got assured that Luna got arrested and he can't do anything about it, Killua went back early to his apartment.

He realizes how stupid he is now for not giving a chance for his wife to explain. Had he did, he would never have lost his wife. Now that his wife is gone, he didn't know what to do now.

After a long thinking, he decided to go back to the mansion. The moment he arrives, every butler and maids look at him with hatred and pity. He deserves that, he knows it. He sees Gotoh and he comes towards him.

"Gotoh." His voice is truly breaking right now and his tears had fallen but he could care less. All he wants was to see his wife again "Where is she?"

Goth gives Killua a sympathy look. He truly still hate his master for being such a jerk at Gon but he sees how hurt his master now.

`He must have finds out the truth of the rumors` Gotoh thought.

"We have put her inside the coffin now and some of the butlers are in the garden now, digging the hole for her" Gotoh said.

"Gotoh, please let me see her. Please!" Killua is bowing his head now, literally in tears.

Gotoh can only nodded and lead Killua towards the room where Gon was in. In the middle of the room, a coffin that is beautifully decorated was there and full of flowers. The sight cause Killua's chest to swell up more. It felt like his body has gone heavy and he is having a hard time to move to the coffin.

"Gotoh, please let me have a few moments with mere" Killua said.

Gotoh bowed. " I understand, Killua-sama" he says and leave.

Killua has finally able to get closer. Each step making it seems his body have gone heavy and heavier. His hand trembling but he managed to open the coffin.

Gon lays there pale and truly thin. Slowly, Killua kneels down then takes her lifeless hand and cried. He had screwed everything up and he hates this situation. He found out the truth but now he can't be together with her anymore. For him, this is truly too much.

"Gon!?" He spoke in gentle but broken tone. "I'm really sorry" He spoke, sincerely.

He looks at Gon as if she could answer him but he knows it is not possible. Tears began to fall again as he held her hand tenderly.

"I'm really sorry… I- I know that I have said all of those cruel things to you! I'm really sorry about it!"

His cries have gone louder, eyes squeezed shut as he remembers it. He know how much he had hurt Gon for something she hasn't done but it hurt him is as well saying those things

"I know that I have says all of those things… but, no matter what. I have never stopped loving you! I know that you may not believe me… but, it's the truth!.

Killua look at Gon before caress her pale face. His tear has fallen to her face, he tries to wipe them but his tears keep dropping more and more.

"I wish that… I wish that I gave you a chance to explain everything. Had I did, you might still be here and we could be together again….."

All Killua could do was sobbed and cried. Now, he had lost his wife. Someone whom he truly love and truly cares. He keeps whispering about how he regrets saying those things to her. He never regrets marrying her and he never ever stopped loving her. He keep saying that being with her is what makes him happy and how much he truly cherishes her.

How he wish he could tell this to her when she was alive since he always kept it to himself, but now, he can't.

Gon is gone now.

And she never comes back, ever again.

"Killua-sama!?" Gotoh voice broke out .

"What is it?" Killua answers without looking at Gotoh, his eyes are still fixed on his dying wife.

Gotoh come and sit next to him "It's almost the time and before that, will you listen now!?"

Killua still not looking at Gotoh "about what?" but he pays attention.

Gotoh takes a deep breath before release it "About Gon-sama disappearance"

Killua hold his breath for a moment before releasing itand spoke " I know that she is not cheating on me. I have confirmed that the rumors are false"

Gotoh nodded "Yes, but still. Aren't you still curious on why?"

Killua intertwined his hand with Gon's. "Fine, what is it."

Gotoh gives a bitter smile "She is planning about a surprise party for the anniversary"

Killua was surprised. "Our anniversary?" he softly mumbled.

Gotoh nodded. "Yes, that's why she is always dissapears. She is busy about it for wanting to surprise you and looking for something for you"

Hearings that make Killua bit his lips. He forgot about it and he accuses her for cheating while she is only busy for surprising him. The guilt has made him worse now, this makes him remember how he always busy for work to remember and spending more time with her.

"I'm the worst" He mumbles sadly. "I can't believe I forgot all about it, it's one of the days that I'm looking forward to" He began to cries again.

Gotoh takes something from the other butler and giving it to Killua who is still looking at Gon.

"This is what Gon-sama is going to give to you" Gotoh said.

Killua let go of his intertwined hand before takes the gift and widened his eyes. This is a pregnancy test!

And it is positive, obviously.

Gotoh sigh before continued. "That's why Gon-sama didn't say anything about her pregnancy. She wants to make it a surprise for the anniversary"

Killua started to feel dizzy. All he could think was what have he done? He had spoilt Gon's surprises gift and party. All this time, she did plan on telling him about it. He is truly the lowest among the low.

Suddenly a soft crying next to him is interrupting his train of thoughts. Finally, he looks at Gotoh who is now carrying a baby.

"Why don't you carry her, Killua-sama?" Gotoh said.

Killua's hands trembled slightly but he manages to carry the baby. He looks at the baby who is crying softly. Gently, he cradles the baby.

The baby smiled and opens her eyes. Killua look awe at the sight.

Her eyes are hazel. The same as her mother's.

"Is she-" Killua trailed off, he still can't take his eyes off the baby.

Gotoh nodded. "Yes, she is your daughter, Killua-sama. The baby that Gon-sama was gives birth to. If you do not believe it, we have the DNA test and we made it few months ago, to convince you that it was your child all along."

Killua shakes his head, softly mumbled and sobbed "N-no need. She is truly my child with Gon's" Killua can't believe he had called this beautiful baby of his a bastard. He keeps cradling the baby for a few moments before she finally goes back to sleep.

"Killua-sama, before Gon-sama has gone. She gives you a message" Gotoh said.

"A message?" Killua asks, surprised.

Gotoh nodded. "Yes"

-Flashbacks-

Gon's labor was done in mansion since there is no more time. Gotoh had tried so many times to call Killua but no avail. He looks at Gon worryingly since he knew there is something wrong with her state.

Gon is keep pushing at what she thought was forever, blood is now gushing out causing everyone into the state of panic.

"N- no way. How could this happening?"

" This is bad, if we fix the wound, the baby would die but if we didn't do something about it, the mother will die"

Gon hears that and understood completely.

"Please, just save my child. Forget about me" Gon weakly said.

Those words truly shocked everyone.

"Gon-sama! How could you say that! You have to live! You have to!" Gotoh said causing everyone to agree.

Gon gives bitter smile. "It's okay. My child is much more important. Mine with Killua's and I don't think I can last long now."

Gotoh is now shouting "Please Gon-sama, You can't say that!"

Gon shakes her head before grunt in pain "I know I'll die but before that, please promise me something, Gotoh"

"G- Gon-sama" Gotoh felt choked right now, unable to say anything else.

Gon looks at Gotoh pleadingly "Please, tell Killua that this child is his. I really didn't want him not knowing about our child and I don't want our child to think that they don't' have father and mother who will give them love and care."

"But-" Gotoh said before Gon cut him off.

"Tell Killua, I will always love him and I have never held any grudge and I have forgiven him also please ask him take good care of our child."

"G-Gon-sama" Gotoh is choked from his own tears.

No one had dry eyes.

" Gon-sama. You will live! You will! Both of you and your child! You will!" Gotoh shouted, desperation is hinted in his voice.

"Thank you, Gotoh. Good-bye Killua and I'm sorry I can't be there for you , my child but I will always watch over you" Gon said in a weak, broken voice before leaks out her tear and closed her eyes causing everyone to shout and cries, begging her to open them and told her that she would be fine.

Sadly, Gon couldn't make it but her child did. Killua's and hers, in which Gotoh had carrying her now.

Gotoh look sadly at Gon before saying "I promise Gon-sama, I promise I will tell that messages to Killua-sama!" Gotoh says with a determined look at his face while cradling the baby who is now crying very loud, as if knowing that her mother has gone.

-End of flashback-

Killua looks shocked while still holding the baby "She really said that!?"

Gotoh nodded "Yes, with sincerity"

Killua was speechless, after everything he had accuses of something she'd never done, she didn't held any grudge? He hugged the baby close and tenderly as if afraid on losing his little precious treasure.

"I'm sure now you have a lot to talk about to Gon-sama now, how about I take the baby back to your room so you can resume what you want to say before we bury Gon-sama" Gotoh said.

Killua's a bit reluctant to give his daughter but do so. After Gotoh is leaving with the baby, Killua looks at Gon again and smiled after a long time since their fight.

"Oh, Gon. I can't believe that you have forgiven me for everything, I swear I will takes good care of our child. I will make sure to protect her, no matter what!" Killua narrowed his eyes and determined before it changed into a gentle look "and I will always love you too, always. No matter what".

With that, slowly he ksis the back of her hand before kiss her forehead then both of her cheeks, then her nose before her lips.

"I truly love you. My love" He said softly.

After that, the butler lift the coffin then brings it down inside the hole slowly and bury it. The maids cry and scatter the flower petal around the grave, with a marble white tombstone. Lastly, Killua took the bouquets of the red roses and lily. Placing it on the tombstone, his tears are dry now so he cannot cry anymore, right now, he can only softly whispered.

`Please always watch over me and our daughter`

After the ceremony has finished, he goes back to his room and sees his baby daughter has sleeping peacefully in the crib. He smiled sadly and softly, remembering about his honeymoon with Gon.

-Flashback-

Currently, both of them are in Australia, enjoying the sunset on the beach. Right now, Gon is leaning on Killua.

"Ne, Killua. Which would you like? A boy or a girl?" Gon asked, curiously.

Killua is surprised a bit "Whoa, whoa wait. We are still in honeymoon stage and you want kids already?"

Gon pouted "Mou, I'm only asking"

Killua chuckles a bit "Well, I do prefer a boy"

Gon smiled. "Really? I would prefer a girl! And Gona would be a cute name, don't you think so?"

Killua smirks "Geez, you even already think of a name and seriously? Gona?"

Gon raised her eyebrows "What's wrong with that?"

"You want to know what's wrong?" Killua asked.

"Yeah" Gon said.

"Alright, Gonnnnnnn-

"What? I'm right here" Gon said.

"nnnaaaaaaaaaaaaaaa. I'm not calling you, I'm calling our future daughter. " Killua smirks.

"Not funny!" Gon pouted again

Killua laughs. Ah, how he loves to tease his wife. "Alright, if we have a daughter, we'll name it Gona." Killua said, after he recovers from his laugh.

"Um!" Gon said and nodded, enthusiastically.

-End of flashback-

Killua looks at his daughter with a smile. Slowly and carefully lifting his baby daughter without waking her up.

"I will definitely protect you, no matter what happen. Gona"

Killua softly cradle Gona, truly determined to protect her. His facial expressions are gentle but his eyes are truly blazing in determination.

My little angel.

My Gona .

My daughter.

My precious treasure.

Treasure that is so precious in which Gon had trade her life for her.

I failed to protect Gon but I will make sure to protect you.

No matter what.

Even if sacrifices have to be made for that.