Tired of inadvertently killing people with her special ability Unluck, Fuuko Izumo sets out to end it all. But when she meets Andy, a man who longs for death but can't die, she finds a reason to live--and he finds someone capable of giving him the death he's been longing for. Equipped with the knowledge of how to use the power of souls, Fuuko forges onward to face Kururu, who holds the negator ability Unchaste. But the idol festival where they will face off lists Fuuko's mother as a competitor! The existence of Fuuko's physical body now hinges on her mother's success in the competition!