Waka lives with her husband's son after losing her husband. In reality, they have been aware of each other as members of the opposite sex for some time. Once before, they had made a mistake. The stagnant time since then begins to move again during their trip to a hot spring together. The son presses his mother. Although she feels it's wrong, she accepts him as if she has been waiting. Moistened secret place caressed by son. Inserted with an erect penis and reaching climax. A taboo incest story of breaking the parent-child barrier, repeatedly seeking each other.
