The Villain's Little Sister is Spoiled by the Male Lead - Chapter 167

Arriving in a strange world, Xavier realizes he's born into a family of hunters: Humans who hunt demons, cursed spirits, and various supernatural creatures.Xavier also comes to a realization that apart from espers- humans who awaken their attributes.They are Arcanists- humans who by going through the Arcane Ascension make use of the power of belief- Arcana, to manifest their wills onto the physical world.Not only that, but Transcenders- humans who consume divinity potions at the risk of losing their sanity also exist....And with the resurgence of the pathways.Xavier and his brother, Klaus are born into the Dark Era... an era also known as the Golden Age.Now both armed with a system each. The brothers must do everything in their prowess to put an end to the resurgence of the various evil gods and lunatics that endanger the lives of the normal citizens of the society.Churches of Gods, Prophets, evil gods, seers, oracles, and even angels of the lord can be both allies and enemies in this legendary tale that delves into the peak of mystery, fantasy, mysticism, and Lovecraftian horror!

The female protagonist crossed over to become the Venerable Woman Kingdom’s Crown Princess. That’s right, that’s right, holding power and authority and handsome men!

What? She’s has the body constitution of trash and is unable to practice martial arts?

Having finally set her eyes on a good looking man, he turned out to be a snow wolf. Isn’t that just so sad and depressing….. Having captured a good looking man, a certain woman laughed sinisterly. “Remember this. You are already mine, so you have to remain chaste for me. If you do not obey, I will then reject the goods.”

The handsome looking man was stunned with his mouth agape. “You….. You’ve gotten it completely backwards!”

- Description from Novelupdates

Yi Jiamu was a patient with the ‘Ability Deficiency Disorder’ and he inadvertently attracted Gu Yesheng’s attention.

He—an enigmatic and cold-blooded soldier with a mysterious background.
She—a ruthless and bloodthirsty spy.