Played as a Villain, but Evil Little Bit

The system needs to bind the host to play popular villains in various worlds and accumulate popularity and villain points. System: You want to destroy the protagonist's interpersonal relationships, take away the things the protagonist cherishes, and leave a deep psychological shadow on the protagonist... Wait, that's not right! The system looked at the newly bound host and fell into silence. Why is it a little beagle? ! But the puppy succeeded in the end. After all, what a puppy is best at is chewing all kinds of things from its owner to grind its teeth, causing trouble 24 hours a day to torment its owner, and using its well-behaved appearance and devilish nature to make everyone love it, hate it, and make it unforgettable... Completing the task is as simple as breathing for the puppy! [In a wealthy world, you are a "fake young master" adopted by wealthy parents, relying on the favor of your adoptive parents to bully the real young master who is the protagonist] Young Master Zhen did not expect that he would hear that his parents had adopted a younger brother after he had only been out for a few days. The next day, he heard that this new brother not only destroyed his precious racing car model when he arrived, but also shamelessly took his room as his own! Feeling that his family status was threatened, Master Zhen returned home angrily and rushed into the room—— They looked into each other's eyes with Xiaobi, who was lying on the bed and wagging his tail. True Young Master:...... Uh, so this is the so-called "fake young master"? * The real young master breathed a sigh of relief and agreed to adopt the puppy without hesitation, as long as he didn't give him a real younger brother to fight for the family property. Until two weeks later, the regretful Master Zhen cried bitterly and called his friend late at night: "Do you know how I spent these two weeks? I really want to die, really, I really want to die!!!" [In the world of Xianxia, you are the green tea junior in the sect. You bully the outer disciples because of your favor, and you also deliberately uprooted the precious spiritual grass that the protagonist has grown for hundreds of years.] …… Mission: Heal the world with cute puppies