Forgotten Love - Diabolik Lovers FanFic

OneShot; Kou, Regret

A/N: Just a bit of a warning, this story...I got this idea from yesterday and it almost tore me apart, when I think about betrayal when it comes to my favorite characters, it breaks my heart, it really did when I read the Makoto-fanfic at Quotev ;-; The Feels :c Anyway, good luck with the reading, I will make my best ^^" Enjoy ;3 And who knows if this one will have a good ending?

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Your P.O.V

You and Kou met each other at one of his concerts, which caused you lovebirds fall in love. You started to date with him during the five upcoming years and the life couldn't be more perfect as it was. But it was then you met his adoptive brothers, a special one, Ruki. You and him were best friends, but somewhat, Kou didn't really like how close you two were, but didn't care about it anyway. You didn't realize it, but you fell more and more for the book-reading guy and he the same. But you stayed as best friends because of Kou. Recently, Kou told you that he was going out lately and you were too curious what he was up too, but didn't ask. He maybe planned something for you guys. You were sitting in the living room, drinking alcohol (A/N: That's quite obvious ö-ö") with Ruki by your side, looked at you concerned.

"What's the point of drinking Y/N? It's not gonna help you further in life." He stated and tried to pull away the eighth glass from your hand, but you pulled it back.

"Why do you care about it, Ruki? Why me? I bet Kou is out because of a girl, of course, I am nobody after all." You muttered and tried to hide your hiccup. The older brother sighed and looked at the side.

"No, Kou is not like that, he is-" He stopped at his trail and were loss after words. You looked at him, being curious about the situation.

"What?" You slurred and scooted closer to him. He blushed and looked at the side. This was his chance, to show his love to you. Kou wasn't snooping around and Ruki smiled, looking at you. 

"You don't mind if I...kiss you?" He asked, unsure about the current situation, Kou could be here at any moment right now. Your eyes widened in surprise, but sooner smiled. 

"I don't mind at all." You leaned closer and met his cold, but soft lips at yours.

Kou's P.O.V

I held the small box in my hand and smiled for myself. The reason why I was out lately, it was because I needed to plan, how to propose to Y/N, her smile, her laughter, everything about her is beyond amazing, she changed me, I am not the two-faced idol anymore, I am myself and I loved it. 

"Kou?" My best friend waved with his hand in front of me and smiled.

"What?" I snapped of from my daze and looked confused at him.

"I have never seeing you like this before, you really love her do you?" He asked and looked towards the street. I nodded and looked down at the small box.

"I really do and thanks for supporting me." I shook his hand and gave him one-arm hug before letting him go and walked away.

"Good luck, Love-Bird!" He yelled after me and smiled. I chuckled and waved back, before turning to mine and Y/N's apartment. I sang for myself and picked up the keys while I was entering the tall house and walked to the elevator, this was going to be awesome, I pushed the button and dazed of my daydream, Mukami Y/N, that sounds perfect, it matches, having children with her, maybe a boy, girl or maybe twins? I smiled once again for myself and stepped out, walking towards to the door, but stopped in my tracks when I heard noises behind the wooden door, I froze and tried to make with the voices inside.

"R-right there, y-yes, right there, oh my god, Ruki!" I heard a feminine voice behind, moaning in pleasure and I froze again when I realized who it was. This wasn't the first time for her, but wait, Ruki? My own brother? I unlocked the door and opened it, stepping into now the warm apartment and walked towards the bedroom, I stopped at the door and froze by the sight. The sheets covered them but I could make up with the faces, I saw a young girl beneath a boy, they stopped and looked back at me. I recongnized the eyes and growled.

"Shit! Kou!" The young girl sat up and picked up the robe from the ground, walking to me, stretching out her small hand to caress my cheek, but I slapped it away.

"Don't touch me, filth!" I snapped at her and turned away from her, walking to the door. I heard her footsteps and grabbed my arm.

"It's not what it looked like." She tried to pull me back, but I pushed her off and stared at her.

"Liar! Leave me alone, damn it!" I yelled at her and walked out from the apartment.

I sat on the bench in the freezing weather and tried to push away the memory I recently got. I looked down at my hands and pulled out the small engagement box, this was supposed to be on her hand, but now? It's too late for it, I have chosen my Eve, but she betrayed me and found Ruki, I frowned by his name and raised myself up from the bench.

"Kou!" I recongnized the voice and turned around, seeing Y/N running towards me, I couldn't stand by looking at her and turned around.

"What do you want, Y/N?" I growled and tried not to use my anger on her. I hate it when it happens. She looked down and sighed in regret.

"I am so, so sorry about the recent event, I....I didn't think straight, I am so sorry." She bowed and hoped for a good response from me, but never got one.

"Sorry won't help, Y/N, what happened has happened, nothing you can change about." I explained and spun around to meet a crying Y/N. 

"What happens in the past, stays in the past." I pulled out the box from my jacket and placed it on her hands. Her eyes widened and stared at me in confusion.

"Today was our fifth anniversary and I wanted to make this day special, today I planned to ask after your hand, but what happened? That happened." I felt the twist of regret in my throat as I spoke and turned around.

"I wanted to make a family with you, but you crushed that chance." I bit my bottom lip and spun towards her.

"So, I am sorry, Y/N, but I can't forgive you that easy." I planted a light kiss on her forehead and pulled back, looking at her.

"Our relationship ends right here, goodbye." I waved towards her and disappeared before she fell down on her knees and cries in endless tears.

"But we will meet again, in some future."

I tried not to cry and it kind of worked well, hoped you liked this chapter, be sure to leave a comment below and take care, besides, that picture? It was yours and Kou's first shared kiss ;)