masayu, hiiragi kagami, hiiragi tsukasa, izumi konata, takara miyuki, lucky star, 00s, 4girls, ahoge, bath toy, bathing, bathing together, blue eyes, blue hair, blush, censored, censored nipples, closed eyes, convenient censoring, female focus, green eyes, loli, long hair, mole, mole under eye, multiple girls, night, nude, onsen, open mouth, outdoors, partially submerged, pink hair, purple eyes, purple hair, rubber duck, same-sex bathing, shared bathing, siblings, sisters, steam, twins, water, yuri