poshii (posy), z/x, official art, 2girls, ahoge, blue eyes, boots, bow, bowtie, breasts, brown boots, brown hair, brown horns, cleavage, concert, copyright notice, demon girl, demon horns, demon tail, dress, footwear bow, frilled dress, frills, hair ornament, hand grab, hat, high heels, holding, holding microphone, horns, idol clothes, large breasts, long hair, microphone, mini hat, mini top hat, multiple girls, open mouth, pink bow, pink dress, pointy ears, prism (z/x), purple dress, purple hair, screen, single thighhigh, sparkle, standing, standing on one leg, striped clothes, striped thighhighs, tail, thighhighs, top hat, ugly (z/x), vertical-striped clothes, vertical-striped thighhighs, very long hair, yellow bow, yellow bowtie