Nanami Shirase, who dreams of becoming an AV actress and loves to fantasize about sex, was successfully made to make her AV debut, and director Hoshi Shoot discovered her hidden perversion and her body's erogenous zones. This time, she will have a three-way sex session titled "Sensual Development," and in order to delve into her perversion and her body's erogenous zones, he will follow her closely for two days during her university winter break and get close to her hidden lewd behavior!