Haruna Osaka, who was raped in front of her husband, PZ-614

Haruna Osaka lives a fulfilling life after marrying her college senior, Koichi. One day, following her husband's advice, she moves into the staff dormitory. She discovers a strange staircase leading to her husband's boss's room. Threatened with her husband's job by him, she is forced into sexual relations. Although the encounter is chaotic, her body is gradually taken from her…