1girl, air_bubble, anastasia_(idolmaster), belt, blue_eyes, blurry, blurry_background, blush, bodysuit, bubble, diving_helmet, diving_suit, gloves, helmet, idolmaster, idolmaster_cinderella_girls, microphone, oxygen_tank, sample_watermark, short_hair, smile, solo, suzunari_ichigo_(rokkencyaya), underwater, watermark, wetsuit, white_hair