Rin Asogi may look like an ordinary office lady on the outside but she is actually a private investigator taking on any job, from finding a stray cat to infiltrating a high-security corporate lab. What's more, she appears literally indestructible, supernaturally healing any injuries and mutilations. Together with her partner Mimi, Rin dives into the darkest secrets of the society but the ones she hides herself are by far more sinister.