The Great Demon King: From the Start, I Outwit My Master and Marry My Junior Sister

Jin Yu transmigrates to another world and becomes an extraterrestrial Heavenly Demon, where he obtains the Demon King’s Gift System.

After learning that his master wants to possess his body and extend his own life,

he gives him two Longevity Pills.

His master says, "This kid is up to no good. Those two pills must be trouble!"

"Wait! He'll anticipate my anticipation. I might as well give it a try."

This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.