mayo riyo, akita neru, hachune miku, hatsune miku, kagamine len, kagamine rin, kaito (vocaloid), kamui gakupo, kasane teto, megurine luka, meiko (vocaloid), yowane haku, utau, vocaloid, bad id, marker (medium), traditional media, 3boys, 6+girls, alcohol, bow, bucket, closed eyes, crossed legs, crossover, diving mask, goggles, hair bow, hair ribbon, long hair, mixed-sex bathing, multiple boys, multiple girls, naked towel, onsen, open mouth, ribbon, rubber duck, sake, scarf, shared bathing, sitting, smile, snorkel, towel, tree, twintails, very long hair, water, wooden bucket