Y/N L/N is a low rank hit man for the Nohebi Mafia family, and part time singer at a club, that is used by the general public, and the 4 main Mafia familes in Tokoyo; Nekoma, Fukurodani, Itachiyama, and Nohebi. After meeting the head of the Nekoma family, and becoming good friends, Y/N is left in a difficult situation. Harbour away her feeling for the head of a rival family and stay with her family, or run away with Tetsuro and live the promised high life of luxury and love?