Kojo wakes up in a mysterious cave, his memories scattered and a peculiar voice echoing in his mind. As he investigates his surroundings, he realizes the voice belongs to the most advanced AI on Earth. The AI reveals that Kojo was part of a failed teleportation experiment that transported his soul into a new world—specifically, into the body of a game character he had created.
However, Kojo soon discovers he is no ordinary being. As a manifestation of Arcana, the energy behind all supernatural phenomena, he is destined to become the Demon God, one of the two primordials responsible for creating the universe.
Armed with this newfound knowledge, Kojo sets out on a quest to save reality. He is joined by a diverse group of companions: a Vampire, an Elf Demihuman, a Succubus, and a Princess. Together, they must navigate perilous landscapes and face powerful adversaries to prevent the destruction of their realm.
On this journey, Kojo will uncover his true potential, confront his destiny, and perhaps even find love among his harem of companions. Join Kojo on his epic adventure to become the Demon God and save the world from ruin.
