Doutei-sama no Omou ga Mama

Doutei-sama no Omou ga Mama manga summary: A 3rd year university student Yukiya leads a frivolous night life. Things become interesting when Yukiya accidentally overhears a break up between popular playboy Mashiro and his girlfriend. Yukiya decides to conquer the playboy as his new target! Did he bite off more than he can chew?