MTL - Blind Date In Time and Space - Chapter 313 Maien civilization lying on oil

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

Lin Yan had transmigrated into the world of Immortals and had become a Heavenly Emperor who was already defeated by the Male Lead along with the ten Female Leads at the beginning of the plot.

But as Lin Yan was about to die, he awakened a power that he could use to rewrite his past doings.

So, Lin Yan has begun to rewrite his past.

When Lin Yan was still a child, he struggled to feed Xiao Yanran, one of the female leads, who was then younger than him. He had to strip his Supreme Bone and give it to her, protect her from the obstacles. He made a vow, “As long as I am here, no one will be allowed to bully you.”

Later when Lin Yan’s cultivation rose , he had run into Xiao Mei, yet another heroine, and the two of them spent time together and eventually got married. When the Devils were about to invade their world, Lin Yan said staring right into his wife’s eyes, “I will protect you with my life…”

And soon he rose to become the Heavenly Emperor.

Everything he did was to shelter his loved ones and to protect the world.

However, his actions were misunderstood by the world.

…

Let’s see what all Lin Yan had done in the past…

drop out of school

When I got home, I reopened the blacksmith shop.

From then on, this blacksmith shop was no longer ordinary.

The best knives in the world are born here.

The thrust-to-weight ratio of the handmade micro-turbojet directly exploded.

The micro-drones flourished in his hands.

- Description from novelbuddy

The world’s worst offense, is called Love.