One day, the Hirose couple meet their husband's friend Shibata while on a walk. However, the encounter was not just a coincidence, but rather a structured one. Because she loves her wife Nanami too much, her husband, who has a secret desire to be cuckolded, intentionally creates a sexless state with Nanami, causing her to fall into a life of abstinence... He steadily prepares for the stage where Shibata, who is actually a famous trainer, will have her cuckold. After a while, her husband felt uncomfortable with Nanami's behavior and involuntarily questioned her...