1girl, alternate costume, arknights, beach, black jacket, blue sky, breasts, brown hair, diving mask, diving mask on head, feet out of frame, goggles, goggles on head, head tilt, highleg, highleg swimsuit, id card, jacket, keychain, looking at viewer, magallan (arknights), medium breasts, ocean, one-piece swimsuit, open mouth, outdoors, rhine lab logo, short hair, sky, smile, solo, swimsuit, the emperor (arknights), waltz (mawazuya), water, white hair, white one-piece swimsuit, yellow eyes