Our heroine is an honor student at her school, she’s quiet and calm girl, just as her title says, she’s a diligent student who dedicating herself to studying, or at least that’s what she looks like from the outside. But mc knows little secret about our heroine that she’s actually a gravure idol. Our heroine realized that one of her classmate has discovered her real identity. One night she decided to break into his house. Mc was about to masturbating to her photos until suddenly our heroine broke into his bedroom. Lifting her skirt in front of him and letting him enjoying her body as he stroking his penis. Then the heroine changed her school uniform into magical girl dress, but something strange happened during the sex.