Isekai Tensei de Kenja ni Natte Boukensha Seikatsu: [Mahou Kairyou] de Isekai Saikyou

When Minato died in an unfortunate accident, he was reincarnated in a different world where magic was woefully underdeveloped. Superfluous magic circles. Barely working attack magics. "What's with these inefficient magic?" By getting rid of the excesses in the magic circle, the destructive capabilit