nishi juuji, theresa (arknights), theresis (arknights), arknights, commentary, 1boy, 1girl, armor, black cape, black shrug, brother and sister, cape, colored tips, dated, dress, frown, fur-trimmed cape, fur trim, holding hands, horns, jewelry, long hair, looking at another, multicolored hair, multiple rings, pink eyes, pink hair, pointy ears, ring, short hair, shrug (clothing), siblings, sidelocks, simple background, smile, upper body, white background, white dress