Riku, a high school girl who had a bicycle accident in a situation where she had a secret that she didn't want her school to find out. Outrageous out-of-court settlement negotiations that are called to a hotel room and performed in a state of house arrest, forced sexual acts called sincerity, and engraves into a young body a shameful act that no one can confide. No matter how much she cries or screams, the never-ending despair dominates her. !
