A cute and beautiful office lady named Yuria who still carries the playful spirit from her student days. Despite wanting to have fun, she's overwhelmed by her busy schedule and struggles to find free time. Having parted ways with several boyfriends, she now spends lonely nights longing for connection. She first discovered masturbation by rubbing against the corner of a school desk, and today she harbors a strong curiosity toward anal play, openly sharing her sexual experiences. Her lewd nature draws others into perverted sex. In the latter half, we revisit her past as a private tutor during her college years—a time when she possessed a mysterious ability to get even the most unmotivated students into their desired universities. Her teaching method held a special secret, one reserved exclusively for male students. This hidden truth brings out her deepest sensuality and desire.