A/N: Hello readers, just a short note before you start reading this story. Firstly, these will be mainly based upon the anime rather than the game and manga, etc. So if the characters seem a little different it is because of that. Also, fair warning this story will contain smut and the like of what you're used to in the Diabolik series. Disclaimer of course, I do not own the characters, etc. Just the plot that I have wrote. That is all. Enjoy.

Yui & Shu

After the dart challenge between Ayato and Shu, Yui was pushed by Raito causing her to bump the back of Shu. He narrowed his eyes before turning around giving her an annoyed look before saying, "Don't even dream of messing with me." Yui stepped back a small gasp escaped her lips in fear of what he meant by that. She knew it would not be smart to cross him again, she watched in silence as he walked away disappearing into a different room.

Soon she heard the laughter of an amused Raito who sneaked up behind her, slithering his hands around her and leaned in towards her ear to whisper, "Since Shu doesn't want to accept you as his prize, why don't we have some fun, bitch-chan?" He smirked evilly, Yui could only think of what his idea of fun would be. Meanwhile, he pressed his body more against her, licking his lips. It made Yui feel panic within her, not liking his teasing. She shook her head and stepped forward away from him. "Eh? Guess that's a no, hmm?" He rolled his eyes, not caring much about her protest. "Suit yourself, but eventually you'll submit to me. Don't forget your place here." He let another laugh out before leaving the room.

Giving Yui a little time to be more at ease, even though it was hard doing so with living in a huge mansion along with six vampire brothers. She shuddered and made way towards her room. Once inside her room, it didn't take long before another vampire entered. "It really makes me mad, Shu winning that game," an annoyed Ayato blabbered out. "Ayato-kun please don't come into my room out of nowhere." Yui responded. "Huh? Defying my presence? As if I care about your opinion." He rolled his eyes and proceeded to walk towards her. "Please," her voice softened more, in a begging manner. He frowned at this. "What's this begging?" He stepped a little further closing the space between the two of them. She backed up until her body was pressed against the bed she slept in, making her fall backwards her head and top half of her body against the soft fabric that covered the mattress.

"Ah, look at this.. Defenseless, you can't defend yourself. You're hopeless, huh? At my mercy." He smirked, approaching her until he pinned his body against hers with his arms at both sides of hers. Her body jerked, reacting to the movement and now their bodies touching, a faint blush tainted her cheeks. He could smell the scent of her blood more fragrant and her heart beating faster than before which made him to smirk even more. "What's this? Are you becoming aroused by this? Your body reacting as we're like this." She moved her head slightly, her neck partially exposed. His eyes locked to the soft, white flesh made him lick his lips. "S-stop," she murmured. "Ha.. as if I'll stop after your pleads. No, no I think I'll do this," he paused only to lean in on her exposed neck, licking the soft flesh intending on biting down. She got the courage to try to stop him, moving her hands and jerking her body away from him. "No!" She shrieked. It caused him to back up, a narrowed expression he gave her made him become fumed with anger. "Tch, how annoying." He rolled his eyes, tired of her rejecting his advances he left. Sighing as he had left, she straightened her uniform and hurried to change her clothes to her usual sleepwear.

Shu's words rang into her head suddenly, making her feel anxious. The thoughts of it made her want to go find him and apologize to him and that's what she decided to do. Leaving her room Yui made her way down the stairs. Looking around for a bit, the mansion had many rooms so it took a few searching in other rooms she finally found him lying on one of the lounge couches, with his earphones and his eyes closed as if he were sleep. His voice startled her. "What do you want?" His eyes now opened with an annoyed look as he looked up at her. "Shu-san I, wanted to apologize.. I didn't mean to bump into you or do whatever else I did to make you annoyed." She spoke in a soft sincere way. "Whatever, it doesn't interest me. You've done what you wanted to do, now leave me alone." Turning his head to where it was face upwards closing his eyes. Yui stood there for a few more moments in silence turning around to leave not wanting to bug him any further.

A hand suddenly reached the back of her wrist, causing her to look back, eyes locking with Shu's. "Perhaps I'll forgive you if you let me drink your blood." Pulling her back towards him to where she was atop of him on the couch. She blushed again, maybe this would be okay despite the painful piercing of her flesh by fangs. She leaned in, submitting her neck to his mouth. Shu didn't expect much of this, he assumed she would do the usual protest and trying to run away instead of having her blood sucked. "Not running, hmm.. Fine. Easier for me to not have to chase you." He stated, licking the flesh of her neck against his mouth, leaning further in he took the chance to pierce his fangs into her, instantly her body responded, the sweet blood escaped the wounds filling his mouth up with the fluid. Pleasant groans could be heard slightly muffled against her skin, he sucked into it causing more blood to seep out. Yui started feeling lightheaded, but her body heated up, rapid heart beating she let out a moan. His eyes glinted in content to the sound she made, it wasn't long before he felt full enough. He withdrew his fangs from her. "That's all for now." Letting go of his grip he had on her. He positioned his body back to the way it was as he was resting before she interrupted him, making Yui's body lurch forward to his sudden movement. She retracted and stood up, feeling more woozy.

"I guess all that taken away some of your strength," he mumbled seeing her state. "I guess I'll take you back to your room." He stood up slowly, feeling a little energetic from the blood. "Do not mistake this as an act of kindness, though." She said nothing as he lifted her up quickly carrying her bridal style and went around to the staircase taking her room. Yui didn't take her eyes off his face as he did so. Her weak hand raised up slowly, daringly to stroke his cheek affectionately when he made it to her room and laid her onto her bed. He looked down, blinking at her giving her a puzzled look when she did such a thing.

Suddenly he did something he wouldn't have thought he'd do, without thinking his lips were pressed against hers, causing a moan from her. He pulled back a bit, noticing her now lust filled, glazed over eyes looking back at his. Something about that look she was giving him made his pants a little tighter. He looked down at her short skirt, soon his hands snaked up her thighs only to look back up to see her reaction. Yui could have sworn when he moved her hands to her skin her heartbeat faster, her face redder than before, not a sound escaped her lips aside from the heavy breathing. Unknown to things like this, she wondered what it would feel like. Would she go through with this if that's where it was leading from the looks of it. She didn't seem to have any protest to it. The fog within her mind cleared enough for her to say mumble his name. "Shu-san.."

Hearing her murmur his name so softly it was like an open invitation for him to proceed. Moving his hands further up, his fingertips met the fabric under her skirt. Again no protest or sound could be heard from the girl, he continued pulling them down, repeating the step removing both her skirt and underwear. Her bottom half was now exposed. She felt a little embarrassed but continued to stay still. Next he moved his hands up to her sweater, making her slowly raise up so he could remove it then moving his hands to work the clasps of her bra. It made her move her hands to cover her chest up in embarrassment, thinking back to all the taunts of Ayato calling her titless and other references to her small chest. He shook his head to clear his lingering thoughts and swiftly removed her hands moving them to her sides. She didn't try to move them back. He eyed her now fully exposed naked body, drinking her figure in before stepping back a little to remove his clothes.

Yui couldn't help to look at him, blushing more as he was now exposed as she was. Shu moved in back to his position closing in on her. Their eyes locked on each others, Shu looked her waiting for some kind of hesitant expression but found none. He then positioned himself between her legs, parting them wider so he could have more space between the two. Taking a few more moments then pushed forward inside her, never taking his eyes off of hers. A loud whimper escaped Yui's mouth, the pain was expected from stories she had heard from others. He pushed further, deeper into her, another whimper from her and heavy breathing came from him. He picked up the pace and leaned in on her, pressing his lips to the top of her left breast opening his mouth wide to bite down as he continued his movements inside her while sucking her blood. "S-Shu-san.." she moaned, the pain had been replaced by pleasure. Hearing her call out his name once more only made him move faster and suck her flesh and blood. The sensation inside him building up with a matter of a few more moments he retracted his fangs from her chest to let out a growl as he felt her clench tight on him. She let out a loud moan feeling herself tighten around him and felt the release. It was a sensation she had never experienced. A few moments later he pulled out and left her feeling a little empty and aching from their tryst. Looking away embarrassed yet again, she felt the want to cover back up even though he had now knew how she looked like this.

He moved back away from her, dropping his gaze looking over to the floor where their scattered clothing littered the floor. He made a quick moment to retrieve his clothing and put them back on. He then grabbed hers and put them next to her, still not looking back at her as he did so. Yui felt a little hurt as the silence grew awkward and unbearable. Looking down at her clothes beside her, she moved her hands over to them and quickly put them back on as well. This time Shu looked back watching her dress herself. Yui moved back a bit towards her pillows pulling her blanket forward to crawl in between the sheet and blanket, she felt exhausted from their interaction. Watching her get between the sheets of the bed, Shu did something unexpected and decided to walk forward to crawl in next to her. They gazed back at each other still silent as ever.

"You're staying?" The two words came out in a surprising tone from her. He simply nodded wordlessly, turning his body towards hers only to move his arms around her pulling her against him, softly kissing her neck then closed his eyes. Yui couldn't help but smile at the feeling of his arms around her, it made her feeling strangely safe even though he was a vampire. "Don't make any mistake, I am a vampire." Words he told her when she first encountered him in the bathroom. Yes, she knew but maybe he was different after all and that was her last thought before she fell asleep.

Little did the two of them know, a person had seen the whole scene beforehand. A burning fire raged within his body. How dare they do such a thing? She was mine, he thought. How dare he get to her in that way first. He'd find a way to get to her in his own way. He was determined and everyone know he always gets what he wants and soon he will.

See you..