MTL - Global Beast Taming: My Battle Pet is Double of Others - Chapter 4

Karl Adelheit, a self-proclaimed ordinary student returning from military service.

And a nobleman who enlisted as a soldier and received Medals of Honor.

From brewing whiskey out of car tires to brewing immortal potions just because they are tasty.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 and establish alchemy as the fifth great subject for others to follow!

The ill-fated high school student Liu Yuan obtained the inheritance of the top civilization in the universe and changed his own destiny. He also used many powerful technologies in the inheritance to lead the Chinese nation to rise in the universe.

- Description from novelbuddy

Thanks to the Goddess, he was reincarnated into nobility!　That should have been great―― but the skill he got, 【Toxin Decomposition EX】 was simply too plain, and he was made fun of everyday at home……