Unbreakable Machine Doll

In a world where science and sorcery combine to create living magical weapons, Akabane Raishin enters the Royal Academy determined to become the best in the world. His companion Yaya is a beautiful teenage girl who is also his puppet weapon. Though Raishin’s combat skills and determination are exceptional, his test scores place him near the bottom of the class. To rise to the top, he must face the academy’s deadliest students and compete for the title of king.