After her husband's solo assignment, Yuka lives with her son Yohei. One day, Yohei's classmate Yukihira visits their home. The bully Yukihira learns that Yohei's mother is a beautiful woman and sets a trap to possess her mature body... Yuka, unconsciously frustrated due to her sexless marriage, cannot resist Yukihira's desire and remembers the pleasure of being violated. Her son's classmate's young and robust penis dominates her, sending her spiraling into an abyss of pleasure.
