My Family Betrayed Me, So I Became the Imperial Preceptor. What Do I Have to Regret?

In his previous life, Wei Nian was a puppet, completely at the mercy of his parents. From childhood to adulthood, he meekly accepted whatever came his way and never had a chance to make a choice. In the end, he met a gruesome death on the street. Given another life, Wei Nian learned to rebel! Once Wei Nian entered the martial world, his name rang across the land. When he entered the imperial court, he flourished there, maneuvering with ease and outwitting his rivals. Then, all at once, Wei Nian realized that the whole realm was within his grasp...