This is my idea for now. Well I like writing a new chapter for this story and also, I got a help from my friend about the ideas for this story.

Killua went inside his room then he closed the door when he's finally in. He came to his room to get some sweets hidden on his closet for him to eat because he's really craving for something sweet to eat so he headed to where the closet was. As he was walking, he noticed that he stepped at something so he looked down to see what it was. He saw that he stepped on the magazine that was on the floor so he picked it up and opened it. When he started reading some words written, his eyes widened then he turned the magazine and looked at the front cover. He just remembered that it was what Kikyou gave to Gon the last time and he's hoping that Gon didn't finish reading it.
He thought of disposing it right away before Gon would find out about it but before that, he still needed to get some sweets. So after he grabbed his sweets, he walked outside of his room to find some trashcans. As he walked downstairs, he saw Hisoka and Illumi together but he didn't mind about it, though what he wanted to do now is to get rid of the magazine he's holding.
Illumi walked away as Hisoka's been closing his eyes to kiss Illumi and when Hisoka leaned forward, he opened his eyes and saw no one in front of him. So Illumi was gone, he almost collapsed if he didn't open his eyes but he's thankful that his face didn't fall down on the floor. He felt bad for not having a kiss from Illumi because he's been planning about it for so long but then he saw Killua passing by. He smirked as if he's intending something so he walked in front of Killua and blocked his way.
Killua was confused about what Hisoka was doing then he sighed and stared at him and spoke.
"What do you want?" Killua asked him. "Isn't it that you wanted to ask me how to win my brother's heart?"
Hisoka held both of Killua's shoulder then he knelt down.
"Please...I beg you..." Hisoka bowed down his head. "Tell me, how can Illumi appreciate my love for him?"
"Mm... I don't really know." Killua lied and it was so obvious because he smirked as he spoke.
"Of course you do,"
"Well if you really want to know..." Killua hesitated and he just remembered that he should throw out the magazine, but because Hisoka was asking him for help he thought of something much better. "I'm giving this stupid magazine to you and you go read it. This will probably work," Killua handed over to him the magazine.
"Tell me you're not kidding." Hisoka looked at the magazine.
"I'm not, now...would you get out of my way?"
Hisoka stepped aside, letting Killua pass on his way then he started reading the magazine that Killua gave to him. Killua was relieved that he finally got rid of that perverted magazine. By the way, he's been thinking why Kikyou would give something like that to Gon. Well, he doesn't worry much about that anymore because there's no way Gon would know something about that.
While Killua was just going outside, he saw Kikyou blocking his way and smiled in front of him. She looked so excited and carefree, Killua tried avoiding her by passing beside her but she followed where Killua was going and still blocked him.
"What is it?" Killua asked annoyed.
"Killu, I was thinking that as a family we could spend our times together like going on a vacation somewhere." Kikyou said.
"Ehh?" Killua raised his eyebrow. "You know... Gon decided that he'll have a vacation here and I won't go anywhere else until he'll say so." Killua crossed his arms.
"B-B-But... It's going to be enjoyable and you could bring Gon-chan with you."
"That's right," Killua looked up like he was imagining something. "But what if Gon refuses about that?" Killua smirked.
"I'm sure he will like it, he likes spending time with you, right?"
"Ah," Killua said in a low voice. "I'll go ask him about it." Killua already started walking heading to Gon. "By the way, where are we supposed to go?" Killua hesitated and asked.
"We're going to the Hot Springs Hotel!" Kikyou said cheerfully.
"So, what are we supposed to do just take a bathe?"
"Probably..."

"So that's it," Killua said.
He's been telling Gon...or explaining to him about what he asked earlier. He just asked Gon if he would like to have a family vacation and Gon asked him back that why they should have a family vacation. So that's how Killua explained it to him to avoid other questions and it was quite a long explanation.
"Well, would you like to go?" Killua asked.
"I would love to!" Gon embraced Killua.
As both of them were just embracing each other, someone came inside their room.
"Onii-chan," Alluka spoke. "We should get inside the van now. Mother said that we're leaving."
"Now? But we haven't even packed our things yet." Killua said.
"Already done, Killua-sama." Goto said.
"Eh? Since when..."
"While you were still asleep, I asked Goto-san to pack your things onii-chan because Mother told me that we should be leaving for today."Alluka explained cutely.
"That's amazing," Gon smiled. "Alluka-chan's been a good sister." Gon patted Alluka's head.
Alluka blushed and chuckled and humbly thanked Gon for saying nice things to her.
"Arigatou, onii-chan!" She hugged Gon. "Daisuki..."
Gon smiled and hugged her back then Alluka gave Gon a kiss on the cheek. Killua looked away and blushed with an annoyed look on his face and he really want to say something about this. Alluka looked at Killua and it's so obvious in his expression that he's a bit jealous or maybe really jealous so she released Gon and walked to Killua then she tugged Killua's shirt.
"Onii-chan," Alluka said with a worried look on her face. "Are you mad?" She asked.
Killua sighed and smiled a bit then he shook his head.
"No," He answered with a soft smile.
"Then, are you mad at Gon-niichan?" She asked once more.
"No, I'm not."
"Then, are you jealous?"
Killua never thought that Alluka would ask him that. He's really jealous about earlier and he's kind of embarrassed if he would tell the truth. But he should really tell it to Alluka because if he'll tell lies, then it would make Alluka feel more worried about him and Alluka once told him before that she dislikes a big brother that lies.
"Kind of..." Killua answered and looked away while blushing.
Alluka smiled then she embraced Killua.
"Gomen! Onii-chan loves Gon-niichan so much."
"Stop it..." Killua blushed. "I-It's not like I'll get jealous all the time if someone does that to Gon." Killua blushed.
Alluka released Killua and laughed at him then she went to the door and said goodbye to them before she goes out with Goto. Killua sighed in relief when they got out already then he went to Gon to tell him something.
"Gon," Killua started speaking. "I'll stay by your side until we all get back here, got it?"
"Okay," Gon answered without complains.
Gon didn't say another word from what Killua told him because he trusts Killua and he knows what Killua's doing. Killua just wanted to protect Gon because he loves him so much, probably more than his family or the sweets that he loves but anyway, he's afraid of losing him. That is why Gon didn't mind being protected by Killua so much because he knows how Killua loves him.

"Alright!" Kikyou said. "Is everyone ready?" She asks.
"Yes, Mother." Kalluto first said.
"Ahem..." Alluka cleared her throat then she made a serious face. "Yes, Mother." After that, Alluka blushed and smiled. "I did it!"
"A hot spring trip? Sugoi..." Milluki smirked.
"Okaasan," Illumi spoke. "Is Hisoka supposed be with us?" He asked.
"Of course, dear. He's your lover isn't he? So he should come with us." Kikyou answered.
Some of them went inside the van already while Killua and Gon were the last to get inside but before they could get inside, Kikyou came out to check for them.
"Gon-chan, Killu," Kikyou mentioned their names. "strongGood luck!strong" She smirked and after that, she started sobbing. "I can't believe they grow up together so fast." Kikyou sobbed.
Killua and Gon were both confused about what she's been talking because they never understood why she said 'Good luck' to them then she sobbed after that. She's just so complicated sometimes and also when she began talking about adult stuffs, she's always confused why she got no response after and she even talks about that to underage children. Also, when she talks to Gon and Killua about how they should make their relationship more better and suggesting them to do 'things', it ended up Killua and Gon looking at each other with confusion because she's the only one who had dirty thoughts. About that, Killua was just pretending that he knows nothing about it so that Gon wouldn't ask him questions about what his mother was talking.
As the van already started travelling, they all did some things they wanted to do so that while riding on the van, it wouldn't be boring. Alluka and Kalluto were sharing earphones together to watch a BL anime, Milluki was listening to anime music, plus reading Otaku magazine, Illumi was just watching the views outside the window, Hisoka beside him reading the magazine that was given by Killua, Kikyou and Silva talking about...somehow like adult stuffs, Zeno just sleeping and snoring, Goto driving the van while listening to a romantic drama on the radio and began sobbing and Killua and Gon were listening to music, sharing earphones together and Gon lying on Killua's shoulder and sleeping beside him.
It won't really take long for them to wait arriving because Goto's been using a shortcut so that they'll arrive there in a short time.

After some few hours, they arrived to the Hot Springs Hotel. They all gathered together outside and Kikyou stood in front of them and started giving them instructions.
"So, we have arrived." Kikyou said. "Now, I wanted everyone to have some fun and enjoy this wonderful vacation."
"Yes!" Everyone answered.
"Alluka and Kalluto-chan, please behave and don't spend your money too much from buying anime. Milluki, please watch over your brothers and don't let them buy R-18 manga. Illu-" Kikyou got interrupted by Milluki.
"Why do I have to watch them?" Milluki said.
"It's your fault for influencing them on anime, so don't blame me." After what Kikyou said, Milluki groaned. "By the way, Illumi and Hisoka-kun, have fun on your date!"
"Does he really need to go with me?" Illumi asked.
"Yes, Illumi." Kikyou answered. "Father, do whatever you want. Silva, you should go with me. Goto, please watch over the kids when they buy anime stuffs. Finally, Gon-chan and Killua, have fun staying together!"
"Is that all?" Killua said.
"Ne, Ne, Killua, let's bathe together in the spring." Gon held Killua's arm.
"Let's do that later, okay?" Killua held Gon's shoulders.
"Okay!" Gon smiled.
"Kalluto-chan, there's an anime store. Ikuuu yooo!" Alluka told Kalluto as she held Kalluto's hand.
"Yes, onii-chan." Kalluto answered.
Both of them were about to head right there already but they couldn't continue walking because their clothes were pulled by Milluki.
"Milluki-niichan, hanashite!" Alluka said.
"You two are not going anywhere without me." Milluki said.
"Stay away! We don't like you." Alluka said.
"Milluki is such a great protective big brother." Kikyou said.
Milluki crouched down and whispered something to Alluka and Kalluto.
'Look, I'm not trying to stop you, alright?' Milluki whispered. 'I'll let you buy anything you like. Just pretend.'
"Alright!" Alluka said.
"Shall we go my cute and adorable little brothers? I'll be watching you and make sure you don't buy perverted anime stuffs, alright?" Milluki pretended as he pushed his brothers going to the anime store.
"Yes!" They both answered.
"Wait, I still need to go with you." Goto said.
'Ne, ne, Goto-san, I'll buy you anything you like if you let us buy anything we like.' Alluka whispered.
"But..."
When they got inside the anime store, the three were already searching for something that they like especially Alluka with her eyes sparkling because she saw everything that she really likes. Kalluto and Alluka were grabbing everything and they'd let Goto carry them all. Milluki was just searching for some manga and for new anime music CD's and then he saw that Goto was bending and his arms were shaking because of the heavy things he's carrying and he can't take it anymore. Milluki called Alluka and Kalluto and instructed the two of them.
"Could you two buy something useful? I mean, it'll be hard if we'll carry all of these." Milluki said.
"Ah, we'll just buy new shounen-ai manga and anime DVD." Alluka said.
Kalluto nodded and agreed so they returned all the things they grabbed a while ago and grabbed the things that they both agreed to buy a while ago.

"Illumi-kun, let's bathe in the springs together, alright?" Hisoka asked.
"..." Illumi didn't reply yet he whispered for Hisoka not to hear something. 'I hate you...'
Killua and Gon were just alone together going anywhere because of Gon requesting Killua to do this, do that, go here, go there and Killua didn't mind doing everything what Gon requests him to do. This time, Gon wanted to eat something sweet with Killua. If Mito-san was here, she would've already scold Gon about sweets because he needs to have limit on eating it. It became opposite because last time, Gon's been telling Killua to limit with sweets but right now, Killua was the one telling Gon about it because he's been loving the sweets.
So, both of them had eaten lots of sweets then Gon saw another shop for crepes then he told Killua that it'll be the last. Killua sighed and nodded then Gon gave him a kiss on his lips.
"Killua, I want this one." Gon said.
"Alright," Killua said. "Two creamy strawberry crepes please."
After Killua had paid for it, they went out eating their crepes and decided that they should go back inside the hotel.
"Killua, arigatou!" Gon held Killua's arm.
"Sure," Killua smiled.
"Ne, the next time I'll be the one to treat you anything you like alright?" Gon said.
"Why is that?" Killua asked.
"Well...you've been the one treating me everything I like, so I wanted it to be fair by treating you also!"
"I don't mind treating you and being treated but thanks."
"I'll do that on our next date, okay?"
"Sure," Killua smiled once again. "We dated a lot of times, haven't we?
"Eh? Is it weird, Killua?" Gon asked innocently.
"Not really..."
Kikyou took out her camera then she came out from the bush that she's been hiding for the whole time and took a picture of Gon and Killua together. She've shot it a lot of times and Killua was trying to block the camera because of the bright flash.
"Smile!" Kikyou said.
"Stop it!" Killua said.
"Now that's enough," Kikyou stopped taking pictures then she checked the pictures she took. "Perfect! My sons are so cute."
"What was that for? Why are you taking our pictures together?" Killua yelled.
"Well, I wanted to collect our family pictures so that this vacation will be memorable." Kikyou explained.
"Is that so?" Killua said. "Make sure you don't take pictures when we're taking baths together."
"Oh don't worry, I won't do it. Your father will."
Silva was also taking pictures of others, like right now he's taking pictures of Alluka, Kalluto, Milluki and Goto together in the anime store. After that, he took pictures of Illumi and Hisoka dating (?) together then he also took pictures of Zeno.
So as what Kikyou told Killua, he imagined what it'll be like if he and Gon were bathing in the hot spring.
'Killua, it's nice taking baths in hot springs.' Gon said.
'It is,' Killua answered.
emSilva was swimming under water, approaching to Gon and Killua then he chuckled as he revealed himself from the water while bringing his camera.
'Smile!' Silva creepily said.
"That's terrible! I won't let that happen." Killua said after he imagined. "Tell dad that he's not allowed to do that."
Killua held Gon's hand then they both walked away from Kikyou together.
"Alright, Killu!" Kikyou answered.
"Geez, that woman. She always makes things worst!" Killua complained.
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"At last! We finally collected the DVD's we've been looking for a long time. No wonder why they had anime store in Hot Springs Hotel. Oh well, let us watch Kalluto-chan!" Alluka said cheerfully.
"Yes," Kalluto answered.
As the film started, they blushed at the moment they saw both guys kissing passionately. It was a shounen-ai anime film and they just wanted to know what will happen at first but then they turned off the laptop because they only wanted to watch it at home where there's no one who could check on them. The door opened and they saw that it was just their brother Milluki.
"You guys wanted to bathe in hot springs?" Milluki asked.
"We'll pass," Alluka answered.
After that Milluki closed the door then he proceeded to where the hot spring was. He saw that there's a sign above "For Girls" and "For Boys" and he sighed in relief because if he hadn't walked in the right way and entered in the Girls' hot spring, then lots of girls had already threw things to him.
Gon and Killua were the first persons who got in the spring already and they just relaxed for a while. Killua was thankful that there are no signs of anyone that brought their cameras to take their picture so there won't be any problems. As Milluki was almost inside, he first took off his clothes then puts it on the basket that was placed outside for the clothes then he walked inside the hot spring, yet he's not wearing anything. He wasn't able to see Gon and Killua anywhere but Killua and Gon just saw him by chance.
"Ah! It's Milluki-nii..." Gon's mouth was covered by Killua.
"Don't speak. No one should know that we're here" Killua said.
Killua just noticed that Gon was innocently looking at Milluki. It's just like it's nothing to him so Killua covered Gon's eyes using his other hand.
"Dumbass, stop looking at him!"
Killua and Gon just hid together somewhere that they can't be really found easily but they still needed to stay alert. The best way for them not to get noticed is to stay silent so until now, they aren't saying something.
Illumi was running away from Hisoka because he's being chased by him and he's heading to the hot springs. As he went inside the hot spring, he's finding a place to hide from Hisoka. He swam around and tried hiding behind the boulders but he's still taking his time finding the place that he cannot be easily found. Until such time that he finally saw the perfect spot for hiding, so he went there and sighed in relief, but when he gazed in front of him he saw Gon and Killua together.
"Yo," Illumi greeted.
"Illumi-kun!" Hisoka called his name.
"Ah, it's Hiso-" Gon's mouth was covered by Illumi.
"Don't make noises. He shouldn't know that I was here." Illumi said.
"Eh? Where's Illumi?" Hisoka tried finding him but he saw no one but just Milluki sleeping.
Hisoka knew that Illumi should be here because there's no way Illumi could go back while he was chasing him and he should've seen that when Illumi definitely found ways for him to go back and let Hisoka continue running. Therefore, Hisoka searched him anywhere right here but it's kind of hard because the hot spring is so wide so it might take a while for him to see Illumi. The three who were hiding kept quiet and didn't make movements because they didn't want to be seen.
"Where is he?" Killua said.
"He must've walked away already." Illumi said.
"Oh, there you are."
Gon and Killua gulped nervously after hearing Hisoka's voice. Now their hiding spot was revealed once again. They were sure that no one could find them here but why is it that they could be easily found?
"I've searched anywhere and here you are, Illumi." Hisoka smirked. "Hi, Gon."
Illumi punched Hisoka's face once and it bleeded and left a mark.
"Pervert," Illumi said.
"Would you get the hell out of here? This place is only for me and Gon, you two are not allowed here!" Killua yelled as if he's annoyed about them.
"I'll be out." Illumi walked out of the water and ran away.
"Why are you still here? OUT!" Killua yelled at Hisoka and punched him.
Killua finally sighed in relief and calmed down when they finally got out. They were really annoying though, so he just continued relaxing with Gon at the hot spring.
"Killua, can I kiss you?" Gon asked.
"Why?" Killua asked back.
"I just want to." Gon leaned closer to Killua and kissed him.
Killua was blushing and embarrassed because of the sudden request but he relaxed a bit and closed his eyes then he kissed him back. Gon kissed him deeply and moaned then he entered his tongue inside Killua's mouth and explored it. He brushed his tongue over Killua's and the both fought each other for dominance. Gon broke the kiss while panting because of the intense kiss he did on Killua then he proceeded at Killua's neck by licking it then he kissed his nape, moving his lips on his skin. Gon continued trailing his lips on Killua's neck while Killua was thinking some stuffs like how he was able to know how to do that.
"Gon, stop." Killua said. "Hey, stop that."
"Killua, I want you."
"We shouldn't do this here. They will see us,"
Killua tried anything to stop him but Gon kept teasing him yet he's getting really embarrassed about this.
"Gon, stop it." Killua repeated.
Killua pushed Gon which finally made him stop then Gon looked at him disappointedly.
"What's wrong?" Gon said.
"Nothing, but we shouldn't do that." Killua said worriedly.
"But, that's normal for lovers right?" Gon asked innocently.
"It is," Killua answered.
"So, why did you let me stop? Didn't you enjoy that?"
"Well...now's not the time for us to do that."
"Really?"
"Yeah," Killua smiled. "So don't think stuffs about that yet. It's too early for us to be thinking about those."
"I'm sorry," Gon apologized.
"It wasn't your fault." Killua smiled. 'It was that stupid magazine's fault that was given by my crazy mother!' emHe thought.
"Killua, should we go now?"
"What? Ah, sure. Let's...let's go,"

After their bathe in the hot springs, they gathered around and had dinner together then they talked about what they did recently this morning and this afternoon. The one who mostly talked was Kikyou and obviously, she enjoyed the vacation in just a day. Well, all of them had fun except probably for Illumi because Hisoka made his day worst but Gon and Killua always had fun times whenever both of them are together.
So they all enjoyed their experiences on this vacation but the still had more days to enjoy the vacation before going home.
After dinner, they proceeded to their rooms. Gon and Killua were feeling a bit sleepy and tired so they went to the bed together but before they could sleep, they first greeted each other and after that, Gon gave Killua a soft kiss.

Yes, done! How I miss updating this. It took me days to finish this though because I started writing this in the last week of February.
I don't know when to update another chapter because I'm getting really busy. While I was busy back then, my friend was substituting me and continuing this chapter and she lets me check Thanks for your help Himi-chan!br I also wanted to thank who followed this story and for the reviews! So please be updated about this and more reviews makes me happy!