Tashi: Hehe, lucky number 13! Thought I'd spoil you guys with a double update since I won't be able to update for a while. I have a lot of family stuff to take care of for the new year so I'll be busy all week. Anyway, thanks for the support and love you all have shown this fic. I sincerely appreciate it!

Oh! Just a fair warning, this chapter is a little intense and definitely not for the weak hearted. Venture on cautiously.

Please review/follow/favorite! THANK YOU AND ENJOY!

DISCLAIMER: I DO NOT OWN YU-GI-OH!

"Yami! Yami!"

Yami ran and ran, his bare feet bounding against the forest floor. He tore at the hanging branches and vines in his way, desperately trying to reach the source of the voice.

"Yami, Help! YAMI!"

"Yugi!"

Tears streamed down his face as he ran. Soon, he came to a clearing in the middle of the forest. He panted and gasped when he saw Yugi tied to a tree with Otogi and Vivian, along with her bitch crew guarding him. Yami advanced forward but a wave of pain shot through him as the full moon appeared from behind the clouds.

"AGH!"

He collapsed to the ground as he started writing around in pain and agony. Everything turned red and once his vision cleared again he saw bodies scattered all over the forest floor, among them was Yugi. He stared at him for a moment, a single tear frozen on Yugi's face.

"Yugi...Yugi, no...NO!"

"YUGI!" Yami jumped out of bed, his back slamming against the wall near the bed. He was panting heavily and his entire body was covered in sweat. With shaky hands, he ran his fingers through his damp hair. His head was pounding and his heart was racing as he looked around the room in panic.

"ARGHH!" Yami fell onto his knees and grabbed the sides of his head, trying to stop the excruciating throbbing pain. His chest tightened and he felt as if his heart was going to burst. His throat burned and his body felt like it was melting.

He looked down at the ground and saw small drops of blood. Yami raised two fingers to his nose where he felt an unusual wetness and pulled away. His eyes widened when he saw blood. "Damn it...damn it, DAMN IT!"

He tried to stand up but his knees buckles and his legs gave out from beneath him, causing him to slam onto the hardwood floor. Yami groaned as he slowly tried to stand, his hand propped against the bed. He looked at his hands and noticed how they seemed to ripple beneath the skin. It made im sick.

He quickly bolted to the bathroom and lifted the lid of the toilet just in time to vomit. "Shit…" He groaned, panting.

"Sennen…"

Yami lifted his head slightly and saw Yugi standing at the doorway, his hair a complete mess and his eyes wild. He looked as if he'd just crawled through hell.

"M-Mutou, what…"

"Nightmares. And I heard you scream, are you alright?"

"I'm fi-"

Yami was cut off when he released move of his stomach's contents into the bowl. Yugi sighed and walked over to him and rubbed his back gently. Yami stiffened against his touch, his body starting to reheat and his stomach knotting. "Ahh...I hate this."

"I know, I know. Come on, let's get you cleaned up."

Yami nodded weakly. Yugi turned on the shower and helped him into the tub. He grabbed the washcloth and started wiping Yami's forehead. He helped him remove his shirt and then proceeded to wipe down the rest of his body. Yami held his breath all the while Yugi was touching him. His hands were curled into tight fits, his nails digging into his palms, knuckles white as he used all his mental strength and willpower to hold himself back from pouncing on the boy.

"Mutou…." He hissed.

"Just wait a minute-"

"Mutou, if you don't stop now, I won't be able to stop."

Yugi looked up to meet Yami's serious expression. His eyes were a bright crimson, filled with desire. It made Yugi suddenly anxious. He dropped the towel and stepped away from the tub to let Yami clean himself off.

"I'll be outside. Come out when you're done. I'll get some medicine that might help you."

"Great."

Yugi quickly left the bathroom, his face hot. He didn't understand why he always felt so flustered around Yami nor did he fully comprehend the emotion behind Yami's stare. He shrugged it off. It was the wolf hormones and nothing more, he reasoned. He went downstairs to heat up a cup of honey tea and got out a special type of medicine Isis concocted up to bring down the fever and cool down the wolf blood.

He walked upstairs in time to find Yami walking out of the room, holding his head. Yugi sighed and went to his side to help him to the room. He helped him sit on the bed and handed him the tea along with the medicine. "Here, try this. It should help."

Yami took the medicine gladly and drank the tea in one go, ignoring the burning sensation he felt. He placed the cup on the table and exhaled. His eyes were still glowing a vivid crimson. His hands were pale, allowing the blackness of the veins to show more. His nails were rougher, sharper, and thicker. Yugi also noticed that Yami's ears were slightly pointed, making him cringe.

"How are you feeling now?" Yugi asked.

"Better. Thank you." He sighed, "So, today's the day, huh?"

"Unfortunately. But you're going to be fine." Yugi said reassuringly, "Oh! By the way, happy birthday, Sennen."

Yami smiled. He was so wrapped up about him changing that he completely forgot it was also his birthday but he was happy Yugi remembered, "Thanks."

"I know it probably sucks to start off your birthday this way but once you're all stable then we can go ahead and actually celebrate."

"I'll be looking forward to that."

"Alright, well, rest up as much as you can. You're in for a hell of a night. I'm going to go ahead and get the cellar ready. Sleep. You need it. Trust me."

Yami tucked himself into bed and slowly, his eyes began to fall closed.

Yugi sighed as he heard Yami's faint snoring. Resting his hands on his knees, he sat up and walked downstairs to the living room. He looked up at the clock above the fireplace and saw it was only 7:30 am. Yami would at least have 12 hours as a human.

Knowing it was Yami's eighteenth birthday, he wanted to be able to do something special for him before his life turned into chaos.

So, he went into the kitchen and took out some baking pans. He had never done this before so he grabbed a cookbook from the cabinet and worked off the recipe. Yugi took a deep breath and immediately went to work. The sounds of pots and pans clattering could be heard as he worked in the kitchen. His brows furrowed as he looked at the recipe. Using his flour-covered hand, he wiped his sweaty forehead, leaving a white streak behind.

Anzu, hearing the commotion in the kitchen. went downstairs to investigate. She blinked the sleep away and frowned when she saw Yugi running around the kitchen, wearing Ryou's baby blue apron, covered in flour and batter. "Yugi?"

Yugi glanced over to her but never broke concentration over what he was doing, fully immersed in his attempt to bake a nice cake for Yami. He stirred the batter with the whisk and emptied it out in the pan.

"What are you doing?" She asked.

"Riding a fucking unicorn, what that hell does it look like I'm doing?" Yugi rolled his eyes, "I'm trying to bake a cake."

"For who?"

"Sennen. It's his birthday today. I thought he deserved a nice birthday cake after everything he's been through."

"Oh...you've never done this for anyone else."

Yugi stopped what he was doing and turned around. He shot her a look and went back to work, "Don't push it today, Anzu."

"Alright, I'm sorry. Do you need help?"

"Not from you, no."

"Come on, don't be stubborn."

"I don't need your help, Anzu! Damn it, just leave me alone." Yugi hissed.

"Yugi-"

As Anzu was about to walk over to him, she slipped on a pool of batter. Yugi reacted instantly and caught her just before her head hit the counter. They locked eyes for a moment, silence between them except for the errativ beating of their hearts.

"Yugi…" Anzu breathed.

Yugi furrowed his brows and helped her stand before pulling himself away. He straightened himself out before going back to his cake. He set the pan in the over and pressed BAKE before turning around to find Anzu still staring at him with an unreadable expression on her face.

"Are you just going to stand there and stare at me or are you going to help clean?" Yugi grumbled.

"S-sorry…"

Anzu snapped out of it and helped Yugi clean off the counter. She wiped the bowls and cooking utensils while Yugi washed them. She stared at him as she wiped the dishes slowly. Yugi, who was focused on washing the dishes, was unaware of the way Anzu stared at him. Inside, she was killing herslef over leaving him and hurting him.

When she first met Yugi, he was this cold, introverted boy yet he interested her. There was something about him that drew her to him. She remembered how broken he was when Mai died. Whenever she passed by his room at night, he always heard faint crying. It made her heart ache even though she did not talk to him at that time. From that day on, she was determined to make him smile and take the pain away.

It took a while but he finally opened up to her and Otogi. He told her how Mai was the only person in his life that he truly loved. Mai was his hero, the one who saved him from the dark pit of Hell and sadness. When she died, he was crushed and pulled back into it. But Anzu brough out the old Yugi or at least she almost but but then she left. Like an idiot, she left because she was afraid of her feelings and for Otogi's feelings. She ran like a coward. She ruined him again.

However, seeing him now, seeing Yugi again brought the emotions back. After he rejected her when she had kissed him, she did her best to forget about her feelings and move on but it was nearly impossible. She cared about him too much and despite what he told her, despite the fact he told her he hated her, she knew that the boy she knew back then was still there and cared for her.

Yet, when he met Yami, she could already see the old Yugi again. There was light in his eyes once more, the same light he had when Mai was round. No matter how hard he tried to hide it, it was there. And Anzu knew it was because of Yami, for that, she couldn't help but feel jealous. Yugi and Yami had only met a little while ago and Yugi was already staring to open up to him and it was undeniable that Yami felt something for Yugi.

Anzu was a selfish bitch and she knew it. She still loved Yugi, and because she still loved him, he could not give him up, not yet.

One she was finished with the dishes, she sat down on the dining table and continued to stare at him, watching the way his arms flexed as he wiped the counter, his jaw set in a firm line. Yugi had grown a lot since she last him, he'd changed. "Have you always been his handsome?" She whispered.

"Anzu…" Yugi sighed and turned around, giving her an almost pleading look.

"You've really grown, Yugi. You've become a very handsome man. Why was I so stupid to leave all this behind?"

"Please don't start."

"I'm sorry for being so selfish but when it comes to you, I become greedy. I-I can't give you up yet. You know i still care about you more than anything else, right? That will never change no matter how hard you try to push me away. I will always care for you."

"You just love making me suffer, don't you?" Yugi shook his ead, on the brink of tears.

"Never. But I do love you. I love you more than anything. I was stupid to leave you, to let you go. How could i have not seen I was letting go of the best thing in my life?"

"Why can't you just let me hate you so I can live peacefully? Why do you do this to me?" Yugi sighed heavily.

Anzu stood up and walked over to him. She placed a hand on his cheek, watching as pain flickered in his eyes. Why is it the only thing she could do for him was hurt him when all she wanted to do was take the pain away.

"Because...because I know that you care for me, too. Despite what you say, you sitll care. And if I know if I hadn't left, you would've fell for me, too."

Yugi took a step back, his heart in completely agony. Why was she doing this? Why the did was she doing this to him? Couldn't she see he was in enough pain as it was with everything else. He shook his head, wiping away the tears in his eyes. He clenched his jaw and shut his eyes, trying to gather himself together. Her words had a bigger impact on him than he thought. He opened his eyes and looked down at his feet.

BEEP!

The oven timer went off, letting him know the cake was done. "I-I have a cake to make."

He brushed past her and took the pan out of the over. Placing the cake on the counter, he stared down at it, "Do you really think that?" He asked, his voice barely above a whisper.

"I do. And you know it, too. If I had stayed, if I had pushed a little more, you would've fell for me."

Yugi shut his eyes. There was a time when he thought that he...but, no. None of that mattered now. "But you left. And that sealed your fate. It's because of that I will never fall in love with you, Anzu. I can't. I'm sorry."

Yugi put the cake in the fridge and quickly left the kitchen to go back to his room where Yami was sleeping peacefully. He shut the door and leaned against it, trying to keep his composure. He pushed himself off the door and walked over to the bed.

Carefully, he touched Yami's forehead. He was still running a fever and he was shaking slightly. Taking pity on him, he got a cool towel and laid it on Yami's forehead and then pulled the covers up a bit more, tucking him in.

He sat at the edge of the bed and stared down at him. Yami looked so peaceful sleeping. It made him wonder how he was like as a child, how he was before the innocence was stripped away. His own childhood was so hellish that he would never wish it on anyone else, even his worst enemy. Yet, Yami had the misfortune to have his parents taken away from him at such a young age.

With a sigh, he sat up and looked back at him once before before leaving the room.

"Ahh…" Yami groaned as he got out of bed. His head hurt and honestly, he felt no better than he did when he first woke up this morning, in fact, he felt worse. It seemed like his head was in a fishbowl. He could hear voices, noises, and the thrumming of his heart; the sounds seemed to mash together in his head, disorientating him.

He stumbled out of bed, clutching his head, covering his ears. He did his best to drown out the nose but it wa no use. The sounds were too loud for his sensitive ears. "MAKE IT STOP, DAMN IT!" He screamed.

Yugi, who was a room away, heard Yami scream and ran over to the room. He found him curled into a ball on the ground, shaking violently. He looked over at the clock on the bedside table; 4:30 PM. Yami had been in bed practically the entire day and he was getting closer and closer to shifting.

"Sennen…" Yugi placed a gentle hand on his shoulder.

"M-make it stop, p-please…"

"You're fine. You're okay. Just relax, alright? I'm here."

"Too loud..IT'S TOO DAMN LOUD!" Yami turned into a blur as he stood up and backed himself into the far corner of the room.

Carefully, Yugi walked over to him but Yami put his hand out in front of him, stopping him. He didn't want Yugi near him like this. His temper was rising and he felt like he was going to slip. He didn't want to end up hurting him.

"Don't...I just...FUCK!" He slumped onto the ground.

"I know. We have to get you into the cellar. I feel like you might change sooner than expected. Come on."

Yami nodded and went alone with him, letting him support him as the walked down the stars. Seto appeared at the bottom of the staircase to help. They escorted him outside where the sun was beginning to set and the moon was still a faded image in the sky. Yugi looked away and opened the doors to the cellar.

He lit the candles in the celar and guided him downstairs. Yami looked around the cellar and saw that it was quite big. There was a large cell with chains attached to the wall. He limped as they led him inside. Yami sighed as he dropped onto the ground, clutching his stomach.

"I'll let you take care of him." Seto looked at both him and Yugi before he left.

Yugi sat next to Yami in the cell and looked over at him, hunched over in pain. "The moon will rise in a couple of hours. Which means you're going to be like this for a while…"

"W-wonderful, just fucking wonderful."

"You're going to be fine, Sennen. Wait here. I have something for you. Try not to change while I'm gone." Yugi winked and disappeared.

"LIKE I HAVE A DAMN CHOICE!" Yami called out.

Five minutes later, Yugi came back holding a metal pan. Yami looked up at him with a raised brow. "What is that?"

"Cake."

Yugi set the pan in front of him. Yami stared down at the vanilla cakes with chocolate frosting and couldn't help but feel touched. He hadnt had a birthday cake since his parents died. It read: Happy 18th birthday, Sennen! :D He couldn't help but laugh seeing the smiley face at the end. "Thanks, Mutou. This is nice." He swiped his finger across the surface and licked the cream off his finger.

"You're welcome. I just thought you deserved it. You don't have to eat it now, but you can blow out your candles."

Yugi placed candles on the cake and waved his hands over them, making them light. Yami laughed and shook his head, "You're too much! And you really need to show me how to do that."

Yugi smirked, "Will do. For now, come on! Make a wish!"

"Hah! You're funny."

"Really, come on. Just do it. You don't want me to start singing, do you?"

"Oh, please spare me." Yami chuckled and leaned down to blow out the candles.

Yugi smiled and placed the pan on the side. Yami noticed his smile and couldn't help but be blown away. Since he's known Yug, he had never seen him actually smile, so seeing it now made him go wild. Yugi had the most beautiful smile he had ever seen.

"You should smile more." He muttered.

"Huh?"

"You have a really nice smile. I like it."

Yugi blushed and brushed a gold fringe out of his face, "Nah…"

"Aw, you're so cute."

"Hey! Shut up before I make you shut up!"

"Tch, bring it on, Mutou!"

Yugi growled and lunged at Yami, knocking him flat onto his back. Yami glared playfully before letting out a low growl of his own before rolling them over, pinning Yugi's hands at his side. "Still going to make me shut up, Mutou?" He grinned smugly.

Yugi rolled his eyes and pouted, pretending to be annoyed. Yami just chuckled. He was really cute. He sighed and pushed himself off to lean against the wall, pain radiating through his skull.

Suddenly, he felt extremely anxious. He had spent the entire week trying to convince himself that he'd be fine when he changed but now that the moment was upon him, he just wasn't ready.

Yugi noticed the fear in Yami's eyes and sat up before scooting closer to him, "It's normal to be afraid."

"I-I know I shouldn't be but I'm terrified."

"I know. You wouldn't be human if you weren't."

"I don't want to lose it…" Yami sighed, hanging his head low.

"Shh, you're going to be fine. I know you, Sennen. You're strong and I know you can fight it. And do you know why that is?"

"Why?" Yami glanced at him curiousy.

"I have a little secret to tell you." Yugi smiled thoughtfully, "The wolf inside you does not determine who you are. You are the only person that can decide tha. If you let the wolf control you, you will be lost it it but what's in your heart is stronger than any of that. Remember what your mother told you, the ones in your heart will always be there. It's too late for me to believe in that but not for you. Keep the ones you love close to your heart."

"Will that be enough?"

"It will be more than enough. Just remember, you are Yami Sennen. You are a human and you must fight for you family, for the people you love. Fight it for someone or something worth fighting for."

Yami nodded and hugged his knees to his chest. He watched as the moonlight streamed in from the open cellar door, the light creeping closer and closer to him. His heart pounded faster than ever before as the time drew closer. He looked over to Yugi who gave him an encouraging smile. Ah...his smile… Something worth fighitng for, huh? Would you kill me if I said it was you?

He was about to reach over to him but he withdrew his hand the moment he felt pain shoot through his body. "Fuck!"

Yami clawed at the ground, his sharp naisl scraping against the concrete. Yugi reached out for him but decided it was best not to touch him in this state. He gasped when he saw Yami's skin ripped and his muscles coil.

Suddenly, Yami jerked and fell onto his side as he shook. He felt bile rise in his throat and tried his best to keep it down but ws unsuccessful.

Yugi stood up and quickly went over to him but he was moving around too much. On the other hand, Yami felt like his bones were melting and he suddenly felt too hot in his own skin. "AGHH! YUGI!"

His body jerked in unnatural movement, making Yugi feel sick to his stomach. Yami stood on his hands and knees, trying to get a grip on himself. The pain was almost unbearable and he felt like shooting himself to end his misery. Fire seemed to radiate from his heart, spreading to his fingertips, legs, making him feel numb all over.

CRAAAACK!

A sickening sound echoed throughout the cellar as Yami's spine twisted and cracked as his body began to shift.

Yugi was on the brink of having a mental breakdown as he watched Yami go through his. Tears streamed endlessly down his face. He'd seen his pack members change and kept himself together but seeing Yami change now, he suddenly felt scared. "Sennen…" He croacked.

"YUGI! AGHHH! I CAN'T-AHH!"

Another scream tore through Yami's throat as his muscles gew and bones reconfigured themselves. He tasted bitter taste of blood in his mouth as his fangs grew in, making even his mouth hurt. His jaw snapped causing him to yelp in pain.

"Yami! Yami, look at me!"

Yugi's voice suddenly seemed distant.

"Y-Yugi…"

"Listen to me!" Yugi cried and Yami tried to, but he was losing it, "You are not a monster, do you understand me? You are a human. You are Yami Sennen! Never forget that!"

His wrists bent and his nails turned black, looking more animal-like. Yami panted and groaned feeling ever part of himself hurting. "FUCK!" His jointed buckled and he crashed onto the ground.

Yugi, unable to take it anymore ran out of the cellar and shut the door behind him. He leaned against it, breathing hard. Uncontrollably, he started sobbing as he hugged himself tight, listening to Yami's pained and agonized screamed.

I am Yami Sennen. I am human. I must fight for Yugi…

Yami felt like his stkin was going to melt off of him. His brain was shrinking, changing.

Yami Sennen. I am human. I must fight for Yugi.

He growled as a splitting pain shot through his spinal cord, shooting to his brain.

I am human. I must fight for Yugi.

Unable to take it anymore, he tore at his clothes, getting rid of the heavy layer. His skin peeled off as fur started to grow, covering every inch of his body.

I must fight for Yugi.

The memories he was trying to keep close to him were fading rapidly and he was beginning to lose sense of who he was. He was slipping himself, losing himself liek he feared. It wasn't the physical pain that was unbearable, it was the pain of forgetting everything. Forgetting himself.

Fight for Yugi…

Yugi…

With a final cry, he had let go and gave into the monster inside him.