God Ash: Remnants of the fallen. - Chapter 16: Power Up.

The moment the little tyrant of the nobles, Roel Ascart, saw his stepsister, he recalled his memories. He realized that he was in the world of a gal game he played in his previous life. To make things worse, he was the greatest villain in the common route of the game!

“I’ll be killed by the main character and the four capture targets ten years from now. Is there still any hope for me?”

Just thinking about the fearsome glints of those sharp swords those beautiful capture targets held in their hands, Roel couldn’t help but tremble in fear.

Till a voice finally sounded in his head.

【Welcome to the House Resurgence System】

He was the scion cast aside by a powerful family, and he had hoped to return to a peaceful life in the city, but unexpectedly, trouble arose once more!

This is a story of an ordinary boy gaining unusual powers from his nightmares… It all started when Lin Sheng experienced something strange on what he thought was just another normal day. He begins to have recurring dreams that lead him on an incredible journey of discovery as he encounters spine-chilling monsters and elusive secrets.

- Description from Novelupdates

Traversing to another world, Lin En is captured right from the start. The captor is the antagonist princess from the original work, intending to control him by using him for hypnosis experiments. In a critical moment, Lin En comes up with a quick-witted plan, feigning the success of the experiment and deceiving her with his acting skills. But this was only a temporary measure. Because in the original story, her ending is very tragic, and none of her associates meet good ends. Hence, Lin En must pretend to be under the hypnosis while secretly being ready to flee at any moment. But gradually things start to take an unexpected turn. ... The Princess’s Diary [The experiment was a success!] [As the sole specimen, I’ve decided to keep him by my side.] [Due to the curse mark on my face, I am loathed by the public, but he says I’m beautiful.] [I’m happy because people tell the truth when hypnotized.] [Alone with him, I impulsively kissed him.] [The feeling was strange and made me lose my composure, fortunately, he won’t retain any memory of it after the hypnosis is lifted.] [So, it’s okay to be a bit bolder, right?]