Life isn't all about being serious! The ecstasy of betraying one's husband! The first in the "breast trilogy" by director Henry Tsukamoto! Kiyosaburo is a 60-year-old painter. Although he has just lost his wife, his sexual desire is growing day by day. In the midst of this, Kiyosaburo has a physical relationship with his son's wife, Ritsuko, who takes care of him every day.