HND-911 The girl who was supposed to like me straddled the guy I hate, grinning at me while showing off their live sex. After school Hinata Koizumi

Koizumi-san would talk to me, an introvert, and even helped me when I was being harassed by those DQNs I hated. I liked her, and maybe she liked me too—I started thinking that way... But who would have thought, the DQN I hated and Koizumi-san were having sex!？？"Sorry, I don't like you," right after being dumped, they smirked and started having intercourse with internal ejaculation in front of me... It should have been frustrating, but I was incredibly aroused...