The first time he captured your body was because you carelessly took the sword in your hands. He did nothing, just walked around town with a sword. It caused you trouble. Imagine you, looking like some kind of demon, walking around with a sword at dinner on a weekday. The hair acquired a red tint, the eyes turned red with yellow sclera, a horn grew from the forehead on the right side. The next time he asked again

"Human, let me control the body, I want battle..." The sword spoke, the purple pearl on the hilt flashed.