Mirai moves to the countryside with her husband when he is transferred, and although she feels some anxiety about being in an unfamiliar place, she is excited about her new life. However, her husband is busy handing over his work and barely pays her any attention... Mirai feels lonely and has a lot of free time, and before she knows it, she naturally releases her sexual desires by masturbating whenever she has free time. After a while, Yamada, the union leader, comes to greet her and shows Mirai a video. In it, Mirai is engrossed in masturbating and writhing in an indecent state...