Owari no Seraph: Kyuuketsuki Shahar
English title: Seraph of the End: Vampire Shahar
Japanese title: 終わりのセラフ 吸血鬼シャハル
Type: OVA
Episodes: 1
Source: Manga
Genres: Action, Drama, Fantasy
Studios: Wit Studio
Duration: 23 min
Rating: R - 17+ (violence & profanity)

The story is set before the main story's "Battle in Nagoya" arc.

The Shinoa Squad receives another mission from Guren; to rescue a human girl named Riko from a mysterious vampire, Shahar, and bring her back to her family. However, Ferid and Crowley also appear when they find Shahar. Can Yuuichirou save the girl?

(Source: Crunchyroll)