Black-robed angel Aki swallows the semen shot into her mouth as an offering from the netherworld, performing an excessive, life-devoting care to help souls achieve salvation. Otaku, underwear fetishists, and people trapped by various inner darkness gather here to satisfy their pent-up desires. A story set in a bleak end-of-life care hospital where fleeting pleasure intersects with underlying tragedy. This five-part work portrays bizarre scenes and deeply moving emotions.