nian (arknights), arknights, highres, 1girl, adjusting eyewear, aiming, aiming at viewer, alternate costume, black jacket, black necktie, blood, blood on clothes, blood on face, blood on hand, colored blood, colored extremities, dragon girl, dragon horns, earrings, eyewear on head, gun, hand on eyewear, hand up, handgun, holding, holding gun, holding weapon, horns, jacket, jewelry, long hair, looking at viewer, multicolored hair, necktie, pink blood, pointy ears, purple eyes, red hands, red shirt, shirt, smile, solo, streaked hair, sunglasses, tongue, tongue out, upper body, weapon, white hair, yecai baozi