Kazumi Kinoshita and Sanae Kanazawa are two high school girls who go on a school trip together with their classmates. Shortly after their arrival at the camp dormitory, various girls become targeted by unknown assailants. In order to solve the mystery the two heroines must talk to their classmates, collect clues, and eventually find the culprits.

Kazumi Kinoshita and Sanae Kanazawa are two high school girls who go on a school trip together with their classmates. Shortly after their arrival at the camp dormitory, various girls become targeted by unknown assailants. In order to solve the mystery the two heroines must talk to their classmates, collect clues, and eventually find the culprits.