MTL - The Human Emperor - Chapter 5 The first master of the Wang family

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!

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

- Description from Novelupdates

When he and his rumored girlfriend were spotted shopping in Paris, she smiled, “Well, my husband's taste isn't bad this time!”When he goes out to have dinner with the mayor's daughter, she remarks with a radiant face, “This tie suits you better.”When he is about to get engaged with a merchant's daughter, she chooses to leave, “Dear, have a successful trip. I will have a surprise waiting for you when you return!”A few days later, the man approached her with a dangerous aura, “So the divorce was your surprise gift to me?”“Yes! What a great gift! Don't you like it, Mr. Gu?” What more could a husband like him want from a wise and understanding wife like her?Unknowingly, she stole his heart. Though she left, she never returned his heart.He said that letting her leave was the biggest mistake he ever made.He had spoiled her for four years, and from now on, he would spoil her for the rest of his life.[Glorious husband + sly Da Bao + adorable Little Treasure, why would you refuse this marriage? The warm-hearted husband never changes his deep love. This is a story of immense pampering and minor hardships with a happy ending, welcome to dive in!]

The youthful Qin Ye was born almost a century ago, but thanks to immortality granted to him by the ‘fungus of aeons’ he can pass for a high schooler.