MTL - My Sister is Very Obsessive - ~ To explain, it's not TJ, don't think too much about it! ! ! !

Legend says, that there is a great demon, who is the human kind’s public enemy. He is the galaxy federations’ nightmare as he wanted to conquer the whole universe. On the first day, he completely took out the human fleet, plunging them into disorder. On the second day, he declared that he will wipe out the whole federation. On the third day, he declared——that the hero who shot him in their previous battle must marry him, or else, he will destroy everything.

The galaxy federation president and the council members had a long meeting after that. They decided to dispatch a soldier, Wu Xing Yun, and marries him off to the arrogant demon. Wu Xing Yun was once a hero who fought for the nebula, and henceforth, he was tasked—— for the sake human race and the universe’s peace, to eliminate mistresses, settle his matters with the mother-in-law, and fix the man’s crooked ways.

Wu Xing Yun was very perplexed when he asked his commanding officer: “Sir, why did it have to be this way?”

Commanding Officer: “Soldier, bear in mind, that this mission of yours, is for the sake of the universe and mankind’s happiness. You must hold on to your husband, and fight other mistresses! Do you have the confidence to accomplish this task?”

Wu Xing Yun, stood straight, saluted, and instinctively replied: “Sir, yes sir! I will accomplish this task!”

- Description from Novelupdates

While the demons were rising, mankind was about to become extinct. Six temples rose and protected the last territory of mankind.

Lan Anran was sent to the countryside by her parents when she was young. In her past life, she was filled with hate and did not end well.With a chance to relive her life, Lan Anran swears that she will never repeat the same mistakes again. On the surface, she is a medical genius and school beauty, but behind closed doors, she is a hacker and master hypnotist. Lan Anran will do all it takes to protect her family and cure her husband, Mo Jinrong."Master Rong is old and ugly, he isn't as fresh and tender as you are. Quick, give me a kiss!" Mo says."Miss Lan, please have some self-respect! Stay… Stay away from me!"