KTDS-965 My little sister is a boyish slender beauty, her name is Mukai Ai.

Boyish short hair, a stern and handsome face, a slender yet muscular body that seems perfect for an athlete from the track team—this is the beautiful girl Aoi Mukai. She transforms into an erotic and cute little sister, engaging in incestuous sexual acts with her perverted older brother! Her small breasts are fondled, her pussy relentlessly licked, and finally, she's impaled by a massive, hard cock, writhing in agony yet feeling pleasure!