When he was little, Fujimino Daisuke had a tomboy childhood friend named Hino Matsuri that loved to rough-house and bully him. Now in university, Daisuke reunites with Matsuri only to discover she’s become a total cutie! Daisuke thinks he could fall for her...but some things still stay the same, like Matsuri still bullying him! What kind of tough love awaits these two?