He doesn't need a girlfriend, but he does want to have some lovey-dovey sex. He wants to go on a romantic date, but he doesn't want to be tied down. It's hard to find a relationship that's convenient like that. Ryo is a vocational school student who normally studies fashion, but he's the only one who gets to enjoy her beautiful legs. But he can't get into a relationship because he doesn't want to get hurt if he cheats on him. No, come on, that's the one who's cheating lol