A former murderer and genius chef along with a waitress come together with a group of fantastical assassins in a diner. A girl with a hollowness in her heart, who believes that she belongs nowhere, is thrust into a series of attacks where she must struggle to find her will to live.

A 33-year-old supermarket worker at a provincial city used to be an idol, but could not see a future as a singer. Sick of everything, she moved to a provincial town and met Yoshio, a pet cat she saw at a store.