Rule 34 Dev - 1girl armpits arms_up bare_arms black_hair blue_eyes breasts cowboy_shot female_focus hair_between_eyes hair_ribbon katagiri_(a1466502) long_hair looking_at_viewer midriff no_navel open_mouth original ribbon simple_background sleeveless solo sports_bikini sportswear twintails very_long_hair white_background|5722135380