1girl, animal_ears, black_leotard, black_necktie, blue_hair, blue_skirt, blush, card, collar, detached_collar, detached_sleeves, don-chan_(usada_pekora), fake_animal_ears, floating_hair, frilled_collar, frilled_sleeves, frills, holding, holding_card, hololive, kashuu_(pixiv_66328082), leotard, long_hair, looking_at_viewer, necktie, official_alternate_costume, one_eye_closed, open_mouth, playboy_bunny, puffy_detached_sleeves, puffy_short_sleeves, puffy_sleeves, rabbit_ears, short_eyebrows, short_necktie, short_sleeves, sidelocks, skirt, smile, solo, teeth, thick_eyebrows, upper_teeth_only, usada_pekora, usada_pekora_(5th_costume), virtual_youtuber, white_collar, white_sleeves, wrist_cuffs