A woman named Haru finds herself pregnant just when her boyfriend at the time was supposed to become her husband. He goes missing without a trace, leaving her as a single mother. Determined not to let her daughter suffer due to their situation, she works tirelessly for the next twenty years to provide for them both. She graduates college, lands a job, gets married, and ensures that her daughter has a bright future ahead of her. One day, unexpectedly, she ends up having a sexual encounter with her daughter's boyfriend. Despite loving her child, she can't control her desires any longer and gives in to the intense pleasure that leaves her body numb and shivering uncontrollably... *The recording contents may vary depending on the distribution method.