1girl all_fours andou_tomoya arm_support blush d; dutch_angle flexible from_below furrowed_brow game_cg green_eyes half-closed_eye indoors leg_lift leotard long_sleeves looking_at_viewer one_eye_closed open_mouth orikura_yuuko outstretched_leg pink_hair ryoujoku_seifuku_jogakuen_~chimitsu_ni_nureta_seifuku~ short_hair solo sweat thighs