kagami hirotaka, hasekura ritsuko, arena (company), mesu kyoushi, game cg, 1girl, :o, aqua eyes, blonde hair, blue one-piece swimsuit, brand name imitation, breasts, breasts squeezed together, collarbone, competition swimsuit, covered erect nipples, dutch angle, emblem, eyes visible through hair, female focus, goggles, green eyes, groin, hair between eyes, hair over shoulder, hair tie, high ponytail, highleg, highleg one-piece swimsuit, impossible clothes, impossible swimsuit, ladder, lane line, large breasts, long hair, looking at viewer, mole, mole under eye, on one knee, one-piece swimsuit, open mouth, parted bangs, ponytail, pool, pool ladder, poolside, solo, swim cap, swimsuit, taut clothes, thighs, unworn goggles, water, wet, wet hair