kasuga (kasuga39), wikipe-tan, wikipedia, lowres, 1girl, alternate costume, arm up, ball, barefoot, beach, beachball, blue eyes, blue hair, blue one-piece swimsuit, blue sky, blush, child, competition school swimsuit, day, english text, female focus, flat chest, happy, holding, jaggy lines, jigsaw puzzle, long hair, looking at viewer, matching hair/eyes, ocean, oekaki, one-piece swimsuit, outdoors, parted bangs, puzzle, puzzle piece, salute, school swimsuit, shadow, sky, solo, standing, swimsuit, transparent, twintails, wading, water, wet, wet hair