Zenith: Otherworld Slayer follows the journey of Zecario, a teenager accidentally summoned to the chaotic kingdom of Zonya. Meant to summon a legendary hero, the kingdom’s mages mistakenly call upon Zecario, who is soon betrayed by the very people who summoned him. Condemned to die, Zecario is saved by a goddess who grants him powerful slayer abilities. Now, he must navigate this perilous world, battling undead creatures and monsters to prevent the impending apocalypse