ryuuzaki ichi, silverash (arknights), arknights, official art, third-party source, 1boy, aged down, animal ears, black cape, black pants, black suit, black theme, cape, collared cape, formal clothes, full body, leopard boy, leopard ears, leopard tail, long sleeves, looking at viewer, male focus, official alternate costume, pants, simple background, snow leopard boy, snow leopard ears, snow leopard tail, solo, standing, suit, tachi-e, tail, transparent background, white hair