1girl agnes_tachyon_(umamusume) ahoge animal_ears black_pants blush box brown_hair closed_eyes earrings emil1030_blue erlenmeyer_flask flask gift gift_box heart highres holding holding_gift horse_ears horse_girl horse_tail jewelry looking_back medium_hair multiple_views notice_lines off-shoulder_shirt off_shoulder open_mouth pants purple_shirt red_eyes round-bottom_flask shirt single_earring smile tail translation_request twitter_username umamusume valentine