One day, while taking a walk, the Hirose couple met her husband's friend, Shibata. - However, this encounter was not a coincidence, but a planned one. - A husband who loves his wife Nanami so much that he has a secret desire to cuckold her, intentionally creates a sexless situation with Nanami and forces her into an celibate life... - In reality, he was steadily preparing the stage for Shibata, who is famous as a trainer, to seduce her. - After a while, her husband feels something strange about Nanami's behavior, so he can't help but question her...