Aki Sasaki lives with her husband and their son, Manabu, in a strict household tense with pressure as Manabu prepares for his entrance exams. One day, her husband discovers adult videos in Manabu's room, and the private tutor reports a sharp decline in his grades. Concerned, Aki approaches her son to understand his struggles, gradually drawing closer to his inner world. Utilizing Aki Sasaki's beautiful body and gentle warmth, the film portrays a careful, tender, yet deeply seductive sex education. As a new relationship forms, the atmosphere in the household begins to shift. Aki captivates as a mother who supports her son emotionally while fulfilling what she believes is her maternal duty. This profound narrative challenges the boundaries between familial bonds and intimate relationships, unfolding a complex story of incest, cherry boy awakening, and private tutoring under the GLORY QUEST label in the "Mom’s Real Sex Education" series.