horiguchi yukiko, hiiragi kagami, hiiragi tsukasa, izumi konata, kogami akira, shiraishi minoru, takara miyuki, lucky star, highres, official art, scan, 00s, 1boy, 5girls, barefoot, beach, beach party, blue eyes, blue hair, friends, glasses, green eyes, mole, mole under eye, multiple girls, name tag, one-piece swimsuit, one eye closed, pink hair, purple hair, school swimsuit, swimsuit, tsurime, water gun, wink