1girl, agnes_tachyon_(umamusume), ahoge, animal_ears, armpits, arms_up, black_necktie, black_shirt, bottomless, breasts, brown_hair, coat, earrings, horse_ears, horse_girl, jewelry, lab_coat, looking_at_viewer, loose_necktie, medium_breasts, morning, naked_shirt, necktie, okitsugu, open_clothes, open_coat, open_mouth, shirt, short_hair, single_earring, sleeveless, sleeveless_shirt, solo, thighs, umamusume, white_coat