1girl, arm up, back bow, blush, bow, bowtie, brown hair, colored inner hair, confetti, holding, holding microphone, idol, jacket, looking at viewer, microphone, multicolored hair, official alternate costume, official alternate hair length, official alternate hairstyle, open mouth, pink hair, puffy short sleeves, puffy sleeves, purple eyes, short sleeves, solo, virtual youtuber, white jacket, wrist cuffs