MTL - Ultimate Scheming System - Chapter 1821 ? What a powerful seal

God plucked one of his creations from his first Earth and gave him a second chance in another one of his Earths...surprise it is in DxD! Now reincarnated as a perverted side character how will our poor protagonist handle his new identity? Well he probably wont make the choices you will want him to, that's for sure!

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

- Description from Novelupdates

Rise Lee, a well-known A-rank esper in the federation. He was even ranked as one of the strongest among the A-ranks and recognized as one of the hopes for humanity. However, he wasn't only famous because of his prowess or his attractive appearance; Rise was more infamous because of his terrible personality. He was called a villain by most guides and espers for a reason.And who would guess that Rise Lee was really a villain, in a literal sense? The terrible truth then unfolded to him. He, Rise Lee, is one of the main villains of the novel. Rise Lee spat out a mouthful of curses and swore that if he had a second chance, he would mess up this damn novel until everyone went down with him. If the author was in front of him, he too would be destroyed with him! And a second chance did come! Rise Lee, the villain, woke up five years before the main storyline! Heh. So what if he was a villain destined to die? That protagonist who killed him, and the author... He would screw them over. Being a villain, be damned. In this rebirth, he would take and mess up everything. What did you say? The protagonist’s love life? Heh. That too. Rise would take his lover. The male lead... will be his.

“If the world stands in my way, if people threaten me or those who are dear to me, then I shall become the true darkness, the fear in their hearts that haunts them forever!”Lee Gaon was a professional gamer until one day she was framed as a cheater by a big gaming company and betrayed by those she held dear. Now she is known as Death Eater, a powerful dark entity in the game system world, slicing her enemies in half if they dare mess with her. Her path is now filled with blood and adventure as she desperately tries to find all who were dragged with her into this world—those who destroyed her life. She has only one goal now... “Revenge!”Content Warning:This work contains scenes of gore, violence, and strong language. Reader discretion is advised.