Mr. and Mrs. "Kaho" were in arrears with their rent and were having trouble paying it. The landlord demands erotic acts from her in exchange for the debt. Once the wheels go crazy, they do not return to normal and "Kaho" is cuckolded by the landlord. And she gradually becomes crazy about the cuckold's cock and is transformed into an erotic wife. However, in fact, it was a plan that the husband and the landlord had made....