2girls, animal_ears, black_hair, black_shorts, breasts, closed_eyes, closed_mouth, green_shirt, horse_ears, horse_girl, kitasan_black_(umamusume), large_breasts, looking_at_viewer, lying, multicolored_hair, multiple_girls, on_side, open_mouth, raglan_sleeves, sasanon_(sasapoliton), satono_diamond_(umamusume), shirt, short_shorts, shorts, smile, solo_focus, speech_bubble, streaked_hair, umamusume, white_hair