1girl, solo, tentacle hair, smile, open mouth, bangs, thighhighs, dress, bow, holding, twintails, very long hair, green eyes, sitting, full body, yellow eyes, frills, detached sleeves, green hair, wings, shoes, armpits, arm up, white thighhighs, book, microphone, tentacles, bubble, green dress, underwater, leg ribbon, singing, green theme, green footwear