The beautiful and charming sister who is active in the rhythmic gymnastics club! The brother, who saw his sister in her glamorous leotard while practicing at home, accidentally mixed a powerful aphrodisiac into her drink, pretending to worry about his sister's strange behavior. He then began to touch his sister's sensitive body, causing her to lose her reason! The sister, who was completely aroused by the aphrodisiac, sucked on her brother's hard erect penis and inserted it herself! Completely losing her reason due to the powerful aphrodisiac, she arched her back in ecstasy while still wearing her leotard and climaxed repeatedly!
