In the Dark Realm, the Great Jahy was only second to the demon king.
The song is written/composed by Kenichi Maeyamada, aka Hydain, a music creator who has been active in a wide range of Japanese entertainment industries.
He says, “I am honored to be working with Uesaka-san for the first time on this song.
The Great Jahy Will Not Be Defeated! | OFFICIAL TRAILER