A literary mother tied up her son's friend and made her cum inside her slowly, and she was filled with dirty talk.

Yuka became a pro-reading reader, became interested in literature, and was aiming to become a researcher in the national literature department. However, she is now married to a husband she met while she was still a student and is living an ordinary life as a full-time housewife. Her only son, who is a chore, has steadily grown, and Yuka has too much free time. At that time, my son took a friend to stay overnight and had a study session. Yuka also decides to participate in the study group as the teacher... while looking at the pure eyes of her son's friend, Yuka's unusual malignancy awakens...