creatures, effects, kobayashi-san chi no maid dragon, kobayashi-san chi no maid dragon series, liquid, multiple girls, swimsuit, purple hair, bikini, twintails, sandals, 1boy, 4girls, short hair, one-piece swimsuit, underwater, blue eyes, long hair, open mouth, bubble, red hair, blonde hair, closed eyes, male swimwear, navel, 3girls, swim trunks