Hana-chan is a quiet girl who is an honor student type. However, she is also around my age and is actually very interested in naughty things... One day, my brother suddenly came to my room and showed me an erotic video, which made me feel horny. My brother, who only has erotic things on his mind, notices her behavior and approaches her with his ulterior motives exposed! Hana-chan, a slutty slut whose curiosity about sex gets the better of her, tries her best to capture the erotic desires of men around her age!