1girl, athletic_leotard, covered_navel, flexible, gymnastics, gymnastics_ribbon, highleg, highleg_leotard, indoors, leotard, ootori_emu, open_mouth, pink_eyes, pink_hair, project_sekai, remo_(remoremoneed), rhythmic_gymnastics, short_hair, solo, split, standing, standing_on_one_leg, standing_split