1girl, amatsuji, ass visible through thighs, bare shoulders, black gloves, breasts, bridal garter, covered navel, drill hair, fingerless gloves, freediving, gloves, goggles, goggles around neck, hand up, headphones, holding, holding weapon, large breasts, long hair, looking at viewer, mahou shoujo ikusei keikaku, one-piece swimsuit, parted lips, pink eyes, pink hair, school swimsuit, solo, swim swim, swimsuit, taut clothes, taut swimsuit, thigh gap, thighs, twin drills, underwater, weapon, white one-piece swimsuit