Mitasareru Kuchibiru

Synopsis

Soft-hearted Takashi got caught up in a love game of the playboy, Kurose, all because he happened to see the love affair between those two boy at school! Kurose is such a dangerous guy, he even laid hands on the professor! The reason why Kurose cares about the unappealing Takashi is…!? A daring and touching serious love! (Source: Manga Updates)