Owari no Seraph: Kyuuketsuki Shahar

Owari no Seraph: Jump Festa 2015 Special

Owari no Seraph: Vampire Shahar

Owari no Seraph OVA

終わりのセラフ 吸血鬼シャハル

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)