Life+B

From Intercross:

Sonoda Mio has always been such a tomboy at school but when at home, she works in her family's flower shop. Her family's VERY GIRLY flower shop. Mio doesn't want anyone at school to see her all girly, so when someone walks in, wearing the school uniform, she goes and hunts him down the next day. But when she tells him not to tell anyone, he....!!?!