curse (023), i-168 (kancolle), i-58 (kancolle), kantai collection, 2girls, ahoge, air bubble, barefoot, blue one-piece swimsuit, blue sailor collar, bubble, freediving, full body, hair ornament, hair ribbon, long hair, multiple girls, neckerchief, one-piece swimsuit, pink hair, ponytail, red hair, red neckerchief, ribbon, sailor collar, sailor shirt, sample watermark, school swimsuit, school uniform, serafuku, shirt, short hair, swimsuit, swimsuit under clothes, underwater, watermark