1girl, ahoge, animal_ears, arms_up, blush, breasts, character_name, cleavage, copano_rickey_(umamusume), detached_sleeves, double_bun, dress, fang, gi!_(desukaru02518_u), greyscale, hair_bun, hair_intakes, heart, holding_own_arm, horse_ears, long_hair, looking_at_viewer, monochrome, open_mouth, outstretched_arm, small_breasts, smile, solo, strapless, strapless_dress, twitter_username, umamusume, upper_body