Hachioji North Technical High School is notorious for its delinquents. Rina, a recent transfer student, finds herself harassed by some of them—until she's rescued by Kaito. Unlike the other delinquents, there's something different and compelling about him, and Rina begins to feel drawn to him. But her involvement catches the attention of Suzumiya, the reigning queen and feared "shadow boss" of the school, who also happens to be Kaito's childhood friend…

"The baddest girl yet—named after the Grim Reaper!"