serino itsuki, z/x, official art, 1girl, bag of chips, bat hair ornament, black jacket, blue skirt, book, copyright notice, couch, cropped shirt, donut, fang, food, food on face, game console, hair ornament, headphones, headphones around neck, holding, holding donut, holding food, indian style, indoors, jacket, lampshade, long hair, looking at viewer, midriff, navel, nei (z/x), on couch, open book, open mouth, plastic bottle, red eyes, red hair, school uniform, shirt, sitting, skirt, solo, sparkle, twintails, white shirt