Soul Summoner

Soul Summoner is an American animated action show created by Kyle Gwinn in Adult Swim (originally in Toonami).

Synopsis
25 years ago, a huge portal appeared in the human world. Therefore, an massive army of ghosts came out of the portal and began attacking the human world. Until, a group of young ghost hunters known as EXODUS fight back against the ghosts and claim victorious. However, they may won the battle but the war continues. For the past years, the ghost becoming stronger and EXODUS became from a group to an organization.

The main character, Jason Tagami, is a young boy who is neglected by some of his family members and was bullied at school. His brother, Hector Tagami, is a member of EXDOUS, and the people in the city where Jason lived favor and admired him. It was the reason why the people looked down on Jason cause he's not like his brother. Until one day, everything changes. After school when he was heading home, he was encounter by his bullies and they throw Jason into a portal which made him fainted and floats around like an object.

When he woke up, he found himself in a realm where ghost lives called the Ghost Realm. He then met two ghosts, a black-suited ghost named Gremory and a blue wolf named Beowulf. Gremory told an event on what cause the ghosts began attacking the human world. A ruthless and greedy king of all ghost, Terror, wanted to expand more territories for ghost to conquer. When he found out that there was a human world, it was an opportunity to rule over it. It's up to Jason to stop Terror and his plans while dealing with EXODUS as he became an anti-hero known as Soul Summoner.