OnionCanIntoSpace

From brewing whiskey out of car tires to brewing immortal potions just because they taste good.

Regressed from a world where the only issue technology failed to solve was boredom, Theo, an adept nanomancer and master brewer, finds himself in the literal shoes of magic academy's trash teacher. 

Cultivation? Magic? Martial arts? Craftsmanship?

No. 

Now is the time for this world's first Nanomancer to rise amidst the resurgence of the powers once sworn to never return.

I see that as an absolute win!