serino itsuki, rigel (z/x), z/x, official art, 1girl, aqua eyes, arm behind head, arm up, black shoes, blonde hair, blue sweater, bottle, brown pantyhose, brown skirt, chair, cherry blossoms, closed mouth, copyright notice, fork, hair ornament, hairband, knife, long hair, on chair, orange hairband, outdoors, pantyhose, picnic basket, pink petals, plate, ribbed sweater, shoes, sitting, skirt, solo, sweater, turtleneck, turtleneck sweater, water bottle