yo-co, kaito (vocaloid), vocaloid, commentary request, official art, second-party source, translation request, 1boy, artist name, black eyes, black gloves, black tunic, blue hair, book, bracelet, brown cape, brown hairband, brown pants, cape, character name, closed mouth, copyright name, fake horns, full body, gloves, hairband, holding, holding book, horned headwear, horns, jewelry, kaitou heaven's knights (vocaloid), male focus, multiple bracelets, open book, pants, sandals, short hair, short sleeves, single glove, smile, solo, squatting, tunic, zoom layer