monnom's manga / #Fujoking(4)

Jin answers to someone knocking at his door. This guy claim to be Jin's childhood friend Saejin. The only problem is that Saejin is actually a GIRL. "Saejin" confesses that one day she woke up as a boy. And that as his only friend he wants to have sex with Jin while being a guy. Jin refuses but somehow gives in to Saejin. After having sex Jin gets a call from Saejin (not the one in his room). But then just who is the Saejin he just had sex with?

The story from the collection «A Week of Lust»