A DVD Special of Haiyoru! Nyaruani: Remember My Love(craft-sensei) which is also episode 12 of the series and takes place after the last episode of the anime.

Hot Spring-themed OVA of Haiyore! Nyaruko-san W.

What if Jesus and Buddha were living on Earth in modern times? What if they shared an apartment in Japan? Saint Young Men is a humorous manga about the daily lives of Jesus and Buddha, with each chapter focusing on some element of modern life, such as Disneyland, rush hour on the train, Christmas, the public pool, carnivals, and more. (Source: Mangafox)

Bundled with the 19th and 20th volumes of the Ao no Exorcist manga. The first episode is based on the second chapter of the second Ao no Exorcist novel Home Sweet Home. The second episode is based on the title chapter from the Ao no Exorcist: Spy Game novel.