Koharu, 21 years old, currently moved from Sendai to Tokyo and works part-time at an izakaya. She used to date an older man who was a sadist and introduced her to SM practices. Their relationship was an affair, and it was eventually discovered by his wife, leading to a chaotic scene. After that, she dated several men but always felt unsatisfied. She still can't forget the sex with that older man. Every day feels empty; she wants to be ruthlessly dominated. This time, she gathered her courage and auditioned for a hardcore rape genre production as an actress!
