Momoko, a mother who has devoted her life to her beloved son without remarriage for 15 years after parting from her husband. - One night, I heard a pant voice from her sons room. - And Momoko, who has peeked at the sex of her beloved son, is dominated by her jealousy rather than her joy when her son grows up to be an adult man. - This day changed her consciousness towards her son in her Momoko. - Momoko, who struggles with the wall of her parent and child but cannot suppress her sexual desire that has accumulated in the pool for 15 years, invades the bathroom while her son is taking a bath.