Blue Exorcist - Season 4 - Eps 3: Hometown
Shura suddenly goes missing. However, based on her last traces, Mephisto deduces the high possibility that Shura has returned to her hometown in Aomori Prefecture. As such, he orders Rin and Yukio to go there and search for her. After investigating, the twins arrive at Lake Towada in Aomori. Shura was facing off against Hachirotaro Okami, a powerful Hydra who claimed the large territory centered at the lake and the surrounding areas. Hachiro and his snake companions urge Shura to fulfill her promise to him.
About Blue Exorcist

Title: Blue Exorcist
First Air Date: 2011-04-17
Last Air Date: 2025-03-23
Status: Ended
Rating: 7.901/10 (from 465 votes)
Language: JA
Seasons: 6
Total Episodes: 73
Network: MBS TBS CBC Gunma TV Tokyo MX BS11 Tochigi TV i-Television SBS
Genres: Animation, Sci-Fi & Fantasy, Mystery, Action & Adventure
Production Companies: A-1 Pictures, Aniplex, Shueisha, movic, dentsu, MBS
Synopsis
Humans live in the world of Assiah, demons in Gehenna. The two dimensions are not meant to interfere with each other, but demons still possess creatures in Assiah in spite of this. The humans who can fight these demons are known as exorcists. Rin Okumura is a boy who bears the curse of being Satan's illegitimate son. His foster father sacrificed himself to save him from demons. To avenge his foster father's death as well as to prove himself, Rin decides to follow the path of an exorcist and defeat his own father, Satan. To hone his raw skills, Rin enters True Cross Academy to train with other exorcist candidates.
Cast

Hiroshi Kamiya
Mephisto Pheles (voice)