Deborah is My Rival Vol. 3

The Okama, Deborah and Asayo always seem to be getting in trouble! Asayo starts working as a home tutor, but the girl she's teaching, Maki, has a crush on Deborah. Kentaro who likes Maki tells Asayo "You better hurry up and bang Deborah or he'll find another girl." But why did he say that? Asayo has only kissed Deborah, maybe he doesn't think of her as a real girlfriend?