The Reincarnated Villainous Young Master’s Guide to Happiness

In Neo’s past life, he was a wicked person who sought to kill his little brother, the rightful heir of a Ducal House. His conspiracy led to his eventual demise. Then he was reborn into another world and became a successful medical researcher… … Then he died again because he believed he was too good for the concept of sleep, and was sent back to the beginning, before his plans and cruel deeds led him down the path of no return. This second chance might be his salvation. . . It was said that the oldest Young Master of the Odum Family has become strange as of late. Was he perhaps trying to kill someone again? His younger brother better watch out, or else he might die this time. Everyone, duc...