Makoto felt somewhat uneasy about her new stepfather. For the sake of their livelihood, she had no choice but to suppress her complicated emotions and support her mother's remarriage. However, the reason he decided to remarry was actually because he was drawn to Makoto's petite body. Once again today, her new stepdad gives shy Makoto a lesson in sex education. Gradually, Makoto's body begins to awaken to pleasure...