Makoto, an unlucky young man, is always surrounded by trouble, yet his close-knit friends—Riku, Daichi, Tenma, and Ichiro—remain by his side, forming the family he cherishes. During a trip to the mountains, the group discovers a mysterious portal that demands a sacrifice. In a selfless act, Makoto throws himself into the portal to save his friends, leaving them devastated by his loss. However, Makoto awakens in the afterlife, where God reveals the existence of multiple worlds and offers him a second chance at life with incredible powers to stop a dangerous demon lord, Solnox. Makoto accepts the challenge, knowing his friends' safety depends on him. After intense training in the afterlife, he returns to the living world, ready to face Solnox and fulfill his promise to protect his friends and the universe. A Destiny beyond worlds is a story of sacrifice, friendship, and the power of unbreakable bonds that drive one man to change the fate of multiple worlds.