Kyou Kara Maou!/Kyō Kara Maō! has demons, some light Yaoi, and a toilet transport! I know not what more to say, so on to scans.

Kyou Kara Maoh Kyou Kara Maoh
A pair of postcard promos. One has to love Günter in the second, no?

Grab the Kyou Kara Maoh! DVDs at Robert's Anime Corner Store!