takafuji aya, ace (arknights), arknights, official art, 1boy, anime coloring, beard, blue boots, blue jacket, blue pants, boots, brown hair, bulletproof vest, closed mouth, collared jacket, collared shirt, facial hair, full body, gloves, holding, holding shield, jacket, long sleeves, looking at viewer, mature male, pants, shield, shirt, short hair, simple background, sleeves rolled up, solo, standing, sunglasses, transparent background, turtleneck, turtleneck shirt, white gloves, white shirt