俺のセフレは処女ビッチ！？

"Why do you watch anime all the time, even at school? Is that fun?"
Seiichi Kushikawa was an ordinary student. When Rio Saeki, a popular girl in his class,
and popularly known as a slut, suddenly started chatting to him, it was the spark
that led to an unexpected and lurid affair.

"Hey Kushi. Wanna do it with me?" True to the rumors Rio was a loose and eager slut. The unexpected part was that she was faking her sluttiness. In fact, Seiichi almost had more experience.