world-overthrowing system
The universe is caught up in a loop: Every time it will be destroyed through the fight of the villain and the hero. No matter what is changed, the world-overthrowing system can't save anything. Then, while scanning for a new host, it finds the childhood friend of the villain, the completely op but so lazy he's already diligent support character Kohaku.
The best friend of the hero, Yue Xing, lives behind the moon, quite literally, and because he receives the prophecy system that announces the awakening of the calamity he returns to Eridymeon, his home planet. There, the hero convinces him to participate in a competition. He dosen't think much of it, but then he meets Kohaku, a variable nobody expected to appear at the competition.
The hero is the last survivor of the Lilienthal Dynasty from 3000 years ago, but according to his family, he has always been a lost cause. In an era of the magical cultivation and interstellar spaceships and races from outer space, he gives his best to rise up in the ranks and become the most powerful person in the universe. But before he can do that, he has to win the competitions in his sect, his province, country, continent... How many more does he have to win?!
The villain is an assassin, left completely alone until his friend gets in touch with him again, saving him from making a very bad decision. Deciding to help his friend, he takes a turn for the good, but on his way, there are many that try to push him back to his self-destructive self and the end of the universe. He must stay true to his ideals, else everything he ever did will be in vain, and that he will never accept.