念願の男子校に転校してきた美少女おとこの娘・柊もみじ。迎えた修学旅行で、ノンケでほぼ童貞の同級生たちと同じ班でお泊りすることに！男として接しようとする男子たちだが、もみじの積極的な誘惑に理性は限界突破。王様ゲーム、お風呂での泡あわ3P、廊下での教師責め、そして夜●い乱交…。可愛い顔して実はド変態なもみじの極上テクニックで、ノンケ男子と教師の性癖は完全に狂わされていく！

Momiji Hiiragi, a beautiful cross-dressing boy, has finally transferred to his dream all-boys school. On the school trip, he finds himself staying overnight in the same group as his classmates, who are mostly straight and practically virgins! The boys try to treat him like a man, but Momiji's aggressive seduction pushes their reason to the limit. A king's game, a bubble bath threesome, tormenting the teacher in the hallway, and a night of wild orgies… Momiji, who is actually a total pervert despite his cute face, uses his superb techniques to completely mess up the sexual desires of the straight boys and the teacher!