vocaloid
hatsune miku, kagamine len, kagamine rin, kaito (vocaloid), kamui gakupo, meiko (vocaloid)
nayu
3boys, 3girls, aqua hair, bath, blonde hair, blood, blue eyes, blue hair, brother and sister, brown hair, closed eyes, completely nude, convenient arm, convenient censoring, everyone, mixed-sex bathing, multiple boys, multiple girls, nosebleed, nude, open mouth, purple hair, shared bathing, siblings, soap, soap bubbles, soap censor, spring onion, steam, steam censor, twins, voyeurism
bad id, bad pixiv id