ryuuzaki ichi, kreide (arknights), arknights, official art, third-party source, 1boy, animal ears, belt, black boots, black vest, boots, closed mouth, curled horns, curly hair, full body, hand on own chest, horns, jewelry, knee boots, long hair, long sleeves, open clothes, open vest, pants, partially unbuttoned, pendant, purple eyes, red belt, sheep boy, sheep ears, sheep horns, shirt, standing, swept bangs, tachi-e, transparent background, vest, waistcoat, white hair, white shirt