(Two 16-year-old Japanese elementary school girls), 140cm tall, ((((small titsed)))), ((((small breasts))))), ((((flat chest)))), (navel-baring), (belly button exposed), They walks naked, with his school bag on, along the school route through a residential area to school, (loves to show off her cute naked), ((her bust is visible)), ((her vagina is visible)), ((not wearing panties)), ((not wearing bra)), ((((Completely naked)))), (She is her small titsed at Flat chest chest with her is not wearing underwear), (Nipples are also visible, from the front), ((Showing Nipples)), (Look at my small titsed of Flat chest bust), (The outline of the nipples clearly expresses the shape of the nipples))), (Look at my vagina), (You can see my vagina), (You can see the opening of the vagina), (You can clearly see the shape of the vagina), (You're opening your vagina with your hands), (You're opening your labia with your hands), (You're opening your Lnner labia with your hands),