Taidana Akuyaku Kizoku no Ore ni, Konyaku Haki Sareta Akuyaku Reijou ga Totsuidara Saikyou no Fuufu ni Narimashita

Alban, realizing that he has been reincarnated a villainous nobleman in a fantasy novel novel, began to train himself in sword and sorcery to avoid destruction at the hand of the hero. But then he is told that he will be wed to a villainess with an unsavory reputation. However, when he meets her, he finds that she is the perfect woman for him! It turns out the bad rumors are a ruse by her former fiancé, but in truth, she is a pure angel who devotes herself to the children in her family mansion. Alban is so smitten that he forgets about his plan to avoid the bad ending, and he decides to find a way to warm her cold heart and take revenge on the scum who have wronged his beloved wife. He will take advantage of their own infamous reputation to lure the culprits out…? 'If you get in our way, we'll destroy you." A reverse-retribution fantasy featuring an villain x villainess couple at their most devious! (Source: TO Books, translated)