2girls, 4koma, animal_ears, aqua_eyes, bed, blue_one-piece_swimsuit, comic, competition_school_swimsuit, ear_covers, flat_chest, green_eyes, hime_cut, horse_ears, horse_girl, horse_tail, kouno_marika, multiple_girls, one-piece_swimsuit, onii-chan_wa_oshimai!, orange_hair, oyama_mahiro, school_swimsuit, silence_suzuka_(umamusume), skirt, solo_focus, special_week_(umamusume), standing, sunburst, sunburst_background, swimsuit, tail, tktk135, tracen_swimsuit, triangle_mouth, umamusume, undressing, unworn_skirt, voice_actor_connection, when_you_see_it