kudou chitose, nijisanji, 1girl, anemone (rei yri), bare shoulders, blue background, bubble, collar, colored eyelashes, covered mouth, detached collar, expressionless, floating hair, flower, frilled collar, frills, hair flower, hair ornament, high collar, light particles, looking at viewer, musical staff, pink flower, short hair, solo, upper body, virtual youtuber, white collar, white hair, yellow eyes