Mio is dissatisfied with her husband, who is a working man, and her lack of work at night. One day, a black man who moved to the same apartment came to say hello. As she teaches her about her daily life, such as the rules for taking out the trash, Mio becomes friends with a black man. Mio, who has been attracted to him because of her black gentlemanly attitude, finally has a physical relationship. However, she thought that such a relationship should not continue forever, and she cut out to her black man, "Let's break up already."
