Starting next week, the Hoshizaki couple will be visiting the husband's parents' house. The wife, Yuna, has a horrible memory. Last year, when they went back to her parents' house, she was almost raped by her father-in-law, Katsuki. Although it was depressing, Yuna had no choice but to accompany her husband. For some reason, an uneasy and oppressive atmosphere enveloped Katsuki and Yuna... Yuna's bad premonition turned out to be correct. This year, Katsuki came close to Yuna again. Katsuki's rough fingers dug into Yuna's soft breasts...