Akira is the legendary killer known as the Fable. Following the order of his boss and due to being overworked, he lives peacefully with his partner, Yoko, as ordinary siblings….

An exceptional marksman and hopeless playboy, private eye Ryo Saeba reluctantly forms an alliance with his late partner’s sister to investigate his death.

With only a year left to live, 17-year-old Akito finds new meaning in life by bringing joy to a terminally ill girl who has just six months remaining.