The Duchess and the Devil - Chapter 40: Chapter 40.

He is the ruler of the mercenary realm, an overlord that gives headaches to the leaders of any country! For the sake of his friends, he’s willing to sacrifice himself; for the sake of his family, he does not hesitate to spill blood! He is a dragon, one that soars above even the highest of heavens. He’s a power that advances triumphantly through unstable situations, stirring up both the winds and the waters.

- Description from Novelupdates

In his last life, he was a superstar that dominated the entertainment circle. In this life, he is a rebellious second generation wastrel.

Usami is a beautiful classmate with good morals and top grades. At school, she views Sakuto as her rival. But when he bumps into her after school, he sees a different side of her. She was playing at an arcade after classes, and she had this innocent smile that one couldn’t imagine on her at school.For the sake of getting along with her, he gets close to her at school and then plays together with her after school. They each have their places where they can deepen their bonds, and at last…This is the start of a heart-warming love triangle romcom!

Lin SuCi transmigrated into a book, and became a kitten who had just cultivated into becoming human.

When he was still young, he was picked up by a good man to be become his apprentice, but he did not expect his master to let his senior — the number one villain in the book — raise him?

This villain senior was too scary, when he had nothing to do he would put him on a plate and stare at him. Let’s not mention cuddling, embracing, stroking and pinching him all day long, he even had a hundred ways to bite a cat!

Lin SuCi covered his butt and had a tearful epiphany, Senior wants to eat me up!

Having tried to run away with his short legs and getting caught for the nth time, Lin SuCi, his paws covering his face, had to accept his fate.

Wasn’t it to just be the boss villain’s favored younger brother? Take your hand off my tail, fine, I’ll take on this role!

- Description from Novelupdates