Getting less and less convinced this is actually a “spinoff”
What They Say:
After dying during the battle against the Underworld, Gold Leo Saint, Aiolos, finds himself mysteriously resurrected in Asgard. He encounters a woman named Lyfia who asks him to fight on Asgard’s behalf against a man named Andreas who seeks to take over it with the help of the sacred tree Yggdrasil. Now Aiolos must battle against Andreas’s warriors as he seeks out Yggdrasil and tries to discover the truth behind his revival.