After a selfless act costs him his life, teen delinquent Yusuke Urameshi is chosen as a Spirit Detective to investigate cases involving rogue yokai.
Yū Akahane moves to a dormitory room after her father's transfer from work. She is excited that she will live in the same dorm as Takumi Shirakawa, aka "White Prince." Yet, Haruto Kurosaki, aka "Black Devil", kisses her as punishment for going against him. It is Yū Akahane's first kiss. Since then, she becomes obedient to Haruto Kurosaki.
A dying girl meets a nonchalant boy who found out her secret. She decided to fulfill her bucket list with none-other-than the boy who couldn't care less about the world.
