watanabe ruriko, minami chiaki, minami haruka, minami kana, minami-ke, newtype, absurdres, highres, scan, 00s, 3girls, :3, ahoge, armpits, arms up, bath, black hair, blonde hair, blush, brown hair, bucket, closed eyes, grey eyes, long hair, multiple girls, naked towel, one eye closed, onsen, open mouth, ponytail, rubber duck, siblings, sisters, sitting, soaking feet, splashing, steam, towel, very long hair, water, wink, wooden bucket, yellow eyes