Shin Kaku Gi Kou to 11 no Hakaimono

The spectacular power of destruction that brings everything in the world to nothing, and the one and only power of creation that creates everything in the world. The boy gained both extreme abilities that never intersected. With the weapon, Shinkaku technique, which was assembled by processing the horns of the evil god and should never be activated. The boy's name is Miyabi-Black Garden. His fate, which should have been a very ordinary country life timber craftsman, has changed dramatically and has begun to move. The mysterious "11th person" who secretly sets up a terrifying magical bomb that will lead the world to ruin. In order to break that ambition, Miyavi activates Shinkaku Technique--! (Source: Kadokawa, translated)