I never thought my mother's friend would have such a beautiful and attractive body... Motohiro, who was completely captivated by his mother's friend, Sara. However, Motohiro, who has never spoken to a woman other than his mother, doesn't even have the courage to talk to her, let alone know how to become close. Motohiro, lost in thought with his tormented feelings, ends up using Sara's underwear as a side dish in desperation. When Sara finds out about this outrageous act, instead of getting angry, she presses her ample breasts against him...