3girls, animal ears, arm up, black choker, black corset, black jacket, blue eyes, blue jacket, blue skirt, blush, brown hair, camera, choker, coat, corset, cosplay, doctor arknights cosplay, earrings, grey hair, height difference, holding, jacket, jewelry, long hair, long sleeves, looking at object, medium hair, multiple girls, open mouth, pink eyes, pink hair, polka dot, polka dot background, rabbit ears, shirt, single earring, skirt, sweat, teeth, upper body, white shirt, yellow eyes