Hikaru, now in puberty, starts seeing his mother as a woman. One day, he returns home early from school to surprise her and finds her masturbating alone. Seeing her breasts and pussy, he recognizes her as a woman and gets aroused whenever he thinks about it. One day, Hikaru's education becomes a point of contention between Mary and his father, leading to a physical altercation. Mary tries to hold back her tears in front of her son, but seeing this, Hikaru confesses his feelings to his mother.