oxy (ho2), gladiia (arknights), skadi (arknights), specter (arknights), ulpianus (arknights), arknights, highres, 1boy, 3girls, ball, beach, beach towel, beach umbrella, beachball, black gloves, blue hairband, blue one-piece swimsuit, bodysuit, diving suit, gloves, grey hair, hairband, holding, holding ball, holding beachball, long hair, mask, mouth mask, multiple girls, ocean, one-piece swimsuit, pointy ears, red eyes, sharp teeth, starfish hair ornament, swimsuit, teeth, towel, umbrella, wetsuit