yukari yukke, yukideath, kagiyama hina, kawashiro nitori, shameimaru aya, touhou, 3girls, armpits, barefoot, bikini, bikini top only, blue eyes, blue hair, bow, contemporary, diving mask, female focus, front ponytail, goggles, green eyes, green hair, hair bobbles, hair bow, hair ornament, lying, multiple girls, ocean, on back, one-piece swimsuit, one eye closed, red bikini, sarong, school swimsuit, swimsuit, twintails, two side up, water, when you see it