hoshimiya sena, big order, highres, official art, arms at sides, ass, back, brown hair, completely nude, cross-shaped pupils, expressionless, facing to the side, facing viewer, flat chest, from side, full body, green eyes, long hair, looking at viewer, low twintails, multiple views, navel, nipples, no pussy, nude, out of frame, pointing out the details, reference sheet, shampoo hat, sitting, standing, stool, straight-on, symbol-shaped pupils, twintails