1girl ahoge animal_ears arm_strap blue_eyes blush box brown_hair choker commentary_request crop_top dated green_shirt hair_between_eyes hand_up happy_valentine hat holding holding_box horse_ears jacket long_hair looking_at_viewer md5_mismatch midriff mini_hat mini_top_hat misu_kasumi mr._c.b._(umamusume) navel one_eye_closed open_clothes open_jacket pants shirt simple_background single_bare_shoulder solo standing stomach strapless strapless_shirt top_hat umamusume very_long_hair white_background white_headwear white_jacket white_pants