Meshiya no Segare, Majutsushi ni Naru.

Stefano, the son of a typical restaurant owner, was utterly bored with the same routine every day. No matter how hard he tried, he had no talent as a chef. "I've decided! I'll become a magician and live freely!" He had no money, no power, no lineage, and no talent. Yet, this boy carved his own path using only his intellect and imagination. https://www.cmoa.jp/title/338413/