serino itsuki, z/x, official art, 1girl, blue skirt, blush, bow, breasts, brown eyes, copyright notice, drinking straw, food, gold trim, hair between eyes, heart, holding, holding food, holding milk carton, long hair, looking at viewer, medium breasts, milk carton, nanaya (z/x), open mouth, pie, pie slice, plaid clothes, plaid skirt, red bow, red hair, school uniform, shirt, sitting, skirt, solo, sparkle, thighhighs, tsundere, white shirt, white thighhighs