GVG-495 — My Sister's Real Sex Education Miyuki Sakura

Miyuki lives with her parents and younger brother. She is a cute girl who grew up in a very ordinary family. One day, while taking a bath with her younger brother, he asks her, "Why doesn't your sister have a penis?" Miyuki gently evades the sudden question, but that night, out of curiosity, the younger brother secretly gropes his sleeping sister's body...