25-year-old rookie teacher Manami often gets misunderstood due to her sexy figure and revealing clothing, but she's actually a kind, caring, and compassionate educator who deeply cares for her students. Her true charm lies in her warm, empathetic nature and the way she connects with the children. However, she's troubled by three mischievous troublemakers in her class—Naoto, Ryuta, and Takeya—boys at the age where curiosity about sex is awakening. They can't keep their hands or eyes off Manami's voluptuous body, constantly harassing her: groping her breasts, flipping up her skirt, peeping into her panties, even molding clay replicas of her tits. Their antics never happen in full view though—the crucial parts always hidden. Unsatisfied by these glimpses, the boys grow bolder, spiraling out of control. Then, during gym class, they finally get a full look at her most intimate parts…