1girl, 2023, d, ahoge, animal_ear_fluff, animal_ears, arms_under_breasts, balloon, birthday, black_choker, black_sweater, blush, breasts, cat_ears, cat_girl, cat_tail, choker, collarbone, confetti, crossed_arms, crossed_bangs, dated, eyelashes, hair_between_eyes, happy, happy_birthday, heart_balloon, hololive, large_breasts, light_purple_hair, long_sleeves, looking_at_viewer, medium_hair, navel, nekomata_okayu, nekomata_okayu_(1st_costume), onigirya_(nekomata_okayu), open_mouth, purple_eyes, purple_tail, sidelocks, smile, solo, sparkling_eyes, spiked_hair, sweater, tail, torakichi_888, upper_body, virtual_youtuber