One night, a murder occurs in the apartment that the high-schooler Marumi is sleeping over in while pretending to be a man's lover for compensation. After that incident, Marumi receives a threatening letter and then a suspicious man begins to stalk her. Unable to look for advice from her friends or family, Marumi turns to the mysterious site, ZOO, which is said to 'remove any problem in your life'.

Apart from the eerie suspense short story, 'ZOO', this compilation also includes 'Hearts - Ashes and Diamonds', 'Banana mix, Strawberry mix', 'Hakkutsu Dai Sensei', as well as several other special stories. This is one compilation of masterpieces you don't want to miss!