kanna lives with her husband and father-in-law. their sex life is nonexistent, and she spends her days in a dull routine. however, her father-in-law knows her secrets—her masturbation and fascination with bondage images. he plots to make her his own. one day, due to his scheme, kanna wets herself. taking advantage of the situation, he reveals his rope and asks, "you really like this, don't you?"