Born into a powerful wizard family, Tatsuya is shunned for his inability to use magic and relegated to bodyguard duty for his talented sister, Miyuki. Despite his apparent weakness, he displays surprising combat skills, defending Miyuki against rogue soldiers. His hidden abilities further surface when he disarms torpedoes with an advanced magic technique, leaving Miyuki questioning her brother's true nature. Let's follow Tatsuya as he navigates his family's disdain, explores his mysterious powers, and faces a sudden missile attack!