Ojou To Banken-Kun. Starting in spring, Senagaki Isaku will become a first year high school student. Her grandfather is the third leader of a yakuza organization named Senagaki group, thus people around her fear her. Despite that, she hopes to make friends and fall in love like a normal person. She enters a high school further from her hometown, but the Senagaki group's over-protective young chief, Utou Keiya (26) falsifies his age and joins the same school with her...?! Keiya proclaims that she's too young for love even though Isaku is perfectly ready. In fact, she has long held an unrequited love for Keiya.