The time when I forcibly slept with my friend’s sister!

"I am sorry Yui...it all just...happened..." I knew that what I did was entirely unforgivable and I was prepared to take responsibility for it but still, I didn't want to be loathed by one of the most precious people in my life. "Then senpai...promise me that you won't leave Yui...ever..." "I promise..." I did promise her but at that time I thought that Yui was only being insecure after what transpired last night. After what savagery act I partook in, it was the least I could do for Yui... ...or so I thought, but in reality, it was me who was dancing on her palm from the start...

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A/N: - If you don't like manipulative and dangerous yandere then don't read this one. There won't be blood and gore but still, it could go down the hill along the way. The world in this story is different from the real world because of the women to men ratio. Enjoy~