1girl, ;), ahoge, animal_ears, arm_garter, biwa_hayahide_(uchronia_architect)_(umamusume), biwa_hayahide_(umamusume), black_collar, black_headwear, book, braid, breasts, cleavage, closed_mouth, collar, detached_collar, frilled_collar, frilled_shirt, frills, gear_hat_ornament, glasses, grey_hair, hair_over_shoulder, hat, holding, holding_book, horse_ears, horse_girl, jewelry, kayama_kenji, large_breasts, long_sleeves, looking_at_viewer, necklace, one_eye_closed, shirt, side_braid, side_ponytail, smile, solo, tilted_headwear, top_hat, umamusume, underbust, upper_body, white_shirt, yellow-framed_eyewear, yellow_eyes