A fallen angel in form a mysterious man, named Tendo, tells Koyuki that he can only redeem his past mistake by helping her to find her father, who abandoned her as a child. As they investigate further, they find one shocking truth after another, be it among themselves and the rest of Koyuki's 'family' members. They all are coming into a point of no return... (Source: Zero-Niner at MyDramamList)Edit Translation