GVG-305 My Big Sister's Real Sex Education. Yuma Koda

Film Introduction

Yuma, who lost her mother ten years ago, lives with her father and younger brother Domu. One day, Domu has a wet dream. Yuma discovers it by chance and consults with his father, but he is treated lightly, saying, "Leave him alone because he's a boy." Yuma decides to give Domu sex education with her own body in order to teach her knowledge of sex.