How Did I, the Mighty Demon Lord, Become a Tool?

Gu Beiyue was sometimes baffled. He was ruthless, vile, cruel, and infamous as a great demon lord, so why were so many people willing to risk their lives to serve him?

…

Demon Sect Elder: Protect the Demon Lord from assassination and my cultivation will greatly improve? What the hell is this text in front of me?

Demon Sect Guardian: Bring the beauty before me back and offer her to the Demon Lord, and I’ll receive a powerful secret art? Whoa! It appeared again. Could I be the chosen one?

Holy Maiden of the Righteous Path: What? If I submit to this demon, the thousand-year curse on my bloodline will be lifted?

…

Above the Heavenly Palace, Gu Beiyue looked at the beautiful women surrounding him and the peerless experts standing before him with utmost reverence. He felt deeply moved.

Among those beauties were chaste, uncompromising women and sworn enemies of the demonic path. He had planned to use them and then kill them, but who could have guessed they would become completely different people as soon as they met him?

And those peerless experts seemed to have no shame at all, clinging to him and insisting on serving him.

What was even crazier was that they got stronger at a speed that seemed downright cheat-like!

He truly couldn’t understand it...

[This book is also known as: The Demon Lord Became the System’s Grandpa, My Subordinates Can See the Quest Rewards on the Demon Lord, and I’ll Carry the Banner for the Demon Lord!]