MTL - Shadow Rogue - Chapter 1639 : Order-level duel! (under)

This is the story of Long Yi, who was killed because he took revenge for the girl he loved. Before he dies, a strange lightning carries his soul into a different realm. How will he live, when the first thing he noticed upon arrival is that, the man whose body he possessed is raping the country’s princess?

- Description from Novelupdates

She is the slow-witted idiot of the Prime Minister’s Residence. Everyone bullies her. He is the most respected and unfeeling Prince, with frightening ability and absolute envy! Together, they are conferred an imperial edict of marriage.

She acts stupid and tries to decline in every way possible while he despotically escorts her into the wedding…… everyone ridicules the match, but no one knows that the “idiot” has transformed from a loser into a talent.

After the marriage, when they encounter the Empress Dowager examining the room, they act in concert with each other and pretend to be two mandarin ducks deeply in love. Afterwards, she laughs, “The performance has ended. Your highness, please return.”

He laughs softly, “Since you’ve got onto this Prince’s bed, don’t even think of getting off.”

- Description from Novelupdates

The Republic of San Magnolia.

After being wrongfully accused and killed, a young man reincarnates into a superhuman society as a third rate villain named Don, whose biggest asset is his side-kick with mental issues. With few options available to him, Don accepts the mantle of his predecessor and must now not only survive in a new and dangerous world, but also conquer it....**Congratulations, you have died and awakened the Supervillain Idol System.****The path to fame, fortune and world domination is yours is take!!**