arknights, artist request, highres, official art, third-party source, 1girl, animal ears, arm at side, axe, bandaged arm, bandages, bear ears, black boots, black hair, blue dress, blue hair, book, bookmark, boots, colored inner hair, dress, expressionless, full body, gloves, holding, holding axe, holding book, holding pickaxe, holding tool, lantern, medium hair, milana (arknights), multicolored hair, pickaxe, scarf, shoulder belt, solo, tachi-e, transparent background