1girl, arknights, bare shoulders, bead necklace, beads, black eyes, black hair, black one-piece swimsuit, blacknight (arknights), blacknight (summer flowers) (arknights), covered mouth, crocodilian tail, detached sleeves, disanfangfanyongxing, eyelashes, fingernails, flower, full body, glowing nails, green nails, horns, jewelry, lily pad, long hair, looking ahead, nail polish, necklace, official alternate costume, one-piece swimsuit, partially submerged, pink flower, ripples, solo, swimsuit, tail, water, water lily flower, white sleeves