2girls, age_difference, akebi-chan_no_serafuku, akebi_kao, arms_up, black_hair, black_shorts, blue_eyes, bra, breasts, brown_eyes, brown_hair, child, kazu_no_reason, knee_up, large_breasts, laughing, looking_at_viewer, lying, multiple_girls, navel, on_back, onee-loli, open_mouth, overalls, pink_bra, shijou_riona, shoes, short_hair, shorts, sitting, smile, sneakers, socks, sweat, tearing_up, underwear, undressing_another, white_footwear, white_socks, wooden_floor, yuri