Ten years ago, mysterious Spirit Gates erupted worldwide, flooding it with wild spiritual energy. Some awakened powers—we call them Spirit Tamers. But the gates brought more: terrifying beasts broke through, threatening humanity. The Spirit Tamer Alliance rose, and the battle raged nonstop. Jason, an unremarkable E-ranked Tamer—mocked and overlooked—now faces betrayal, schemes, and sealed fate, yet will rise, defy all odds, and unleash unimaginable power.