1girl, arms up, black hair, black jacket, blazer, blue eyes, blush, bow, bowtie, brown cardigan, cardigan, dated, flower, flower ring, hair ornament, hairpin, happy birthday, head wreath, jacket, long hair, long sleeves, open mouth, pink bow, pink bowtie, pink flower, school uniform, shirt, simple background, solo, virtual youtuber, white background, white shirt, wing collar