Hikaru-chan, a fresh-faced female student with a bright smile. She's experienced climaxing through clitoral stimulation, but she's not quite sure about vaginal orgasms. Let's explore her body and find her spots of pleasure. As her fingers are inserted into her smooth, hairless vagina, Hikaru-chan gasps and squirms, saying 'That tickles...' The moment when the ticklish sensation for this innocent girl turns into pleasure. This work is a record of a girl growing into a woman！！
