My Angel system - Chapter 212 Smart Move

In the vampire-ruled kingdom of Mildelar, the Blood Games stand as the ultimate form of entertainment—savage battles between familiars, humans bound to their vampire masters through blood pacts. Far more than mere spectacles, these brutal fights determine the prestige of noble families, shaping their power and influence across the realm. Lyon, a young human saved from death by a blood pact with the alluring Arya Valakys—one of the king’s daughters—is unwillingly thrust into this cruel world. Bound to his mistress, he is forced into relentless battles to elevate her standing.Lyon, however, stands apart from other familiars. While they derive their strength from the fear of punishment, he draws his... from having dirty thoughts about his mistress!

Wen Xuxu is a tenacious, talented, smart and brave woman who was fostered by the Yan family at the age of four when she lost both her parents.

Brought up to be the successor of a huge conglomerate, Yan Rusheng is an aloof, intelligent and arrogant man who is the most sought-after bachelor in the capital city.

Despite growing up together, both of them seem to treat each other as an eyesore. She labels him as a jerk and womanizer while in his eyes, she is a shrew.

Over time, they fall for each other, but they continue to conceal their feelings for each other. By a twist of fate, they are forced into a marriage. And unknown to everyone else and Yan Rusheng, she has harbored a deep secret for many years…

- Description from Novelupdates

One day I got a younger sister.Only I know her true identity.

You feel your strength is insufficient, Strength +1.You have practiced the Golden Bell Shield, Martial Arts Level +1.You have picked up a volume of Taoist scripture, Understanding +1.Your opponent is extraordinarily strong. The Golden Bell Shield has reached Great Perfection. You combined the Golden Bell Shield, Iron Cloth Shirt, and Thirteen Cross Training, all +1, and mastered the Vajra Indestructible Divine Skill. Your opponent's knife cannot harm you and is utterly devastated. ...