reserve operator vanguard (arknights), arknights, official art, third-party source, 1boy, backpack, bag, black gloves, black jacket, black shoes, blue pants, covered face, denim, fingerless gloves, full body, gloves, goggles, grey shirt, helmet, jacket, jeans, long sleeves, male focus, pants, shirt, shoes, shoulder bag, simple background, solo, standing, tachi-e, tail, transparent background, walkie-talkie