He was also once the overlord of hell.
Indifferent, cruel, and hateful are the labels given to him by the world.
As a result, there was a person who vowed to save him. He believed it.
However, this little bit of sincerity that he finally gave turned out to be the fatal blow that defeated him in the future.
"You really believe it~" The man smiled innocently, just like when they first met.
The devil fell in a pool of blood. He had no strength to say any curse words.
"If there is an afterlife, no matter what the cost, I will never let you go...
However, when the spell sounded, he didn't lose his mind!
System: "Want to take revenge on them? Come... Make a deal with me. "
System mission: "Transmigration to become the substitute lover of a vicious old man"
Demon King: A vicious old man? Let's see if I don't turn his family upside down!
System mission: "Travel time to become the personal little book boy of Mr. Bai/Crazy"
Demon King: Is this difficult?
System mission: "Transmigration to become a male mother of all sentient beings"
Demon King: Huh? This little thing of yours is getting more and more outrageous!
…
…
System task: I order you to like me!
Demon King: Is the little bastard getting more and more arrogant? See if you are worthy!
Concept: The devil takes revenge while fishing for men