Yosuke Nakajima, once brimming with talent, is now 40 years old. After experiencing setbacks and returning home, he finds his biological mother divorced and his father remarried to a woman he doesn't know. This only adds fuel to his resentment. His father, seemingly indifferent to his son, indulges in nightly pleasures with his new wife, Michiko, as if it were a deliberate provocation. From Yosuke's perspective, seeing Michiko as a woman rather than his mother is a natural consequence of this situation...