On her sixteenth birthday, Kisaragi Honey goes to meet her father. However, he shows up injured and on the run. Out of nowhere, a group of thugs and a monster show up. A detective, Hayama Seiji, rescues Honey and her father. Unfortunately, the monster captures Honey's father. A grieving Honey goes home to find it in ruins, but a handsome man gives her hope and a device to use…