2girls adjusting_clothes adjusting_swimsuit akai_ringo_(ookami-san) ass back brown_eyes brown_hair casual_one-piece_swimsuit child crease female_child flat_chest highres holding_hands interlocked_fingers legs long_hair looking_back multiple_girls official_art one-piece_swimsuit ookami-san ookami_ryouko red_eyes red_hair scan short_hair swimsuit unaji