I'll Teach You, Marianne. - Chapter 707 - The Main Mastermind

A world filled with heroes with superpowers. A world attacked by calamity fiends. A modern world filled with wonders and dangers.

A skilled but unfortunate modern-day assassin was killed in a freak accident. However, he soon found himself summoned to another world by an evil wizard, who had him possess the body of a boy as an experiment. After successfully planning the evil wizard’s downfall, he used the wizard’s body as a springboard to gain influence and power in his new world.

- Description from Novelupdates

Just as Li Meirong thought her life couldn't get any worse, she transmigrated into an abused body of a servant girl being sold at a brothel in a completely different world.

Lin Jing had transmigrated.

And he had unlocked a System Space with its own Spirit Field.

Thus...

While others sought out the Secret Realm, he was farming.

While others fought over resources, he was practicing Alchemy.

It was in this way that he slowly grew with the passing years...

Until after countless ages, someone finally realized that the great one was actually him...

This book is also known as:

“First I Farm, Then Do Alchemy, I Seek Immortality by Holding On to Life”