Mitsuki visited her husband's family home to give her formal marriage greetings, only to discover that her father-in-law, Tadashi, was actually her former teacher. The surprise and relief quickly brought them closer, and a peaceful life living together in a two-family household began... However, while her hardworking husband loved Mitsuki, there was absolutely no sexual intimacy, leaving her to comfort herself alone night after night. Tadashi, who also struggled with his own overflowing sexual desire, noticed this. Telling himself it was to satisfy Mitsuki's needs, he began to make his move on her...
