The Idle Martial Emperor

Cain Carter transmigrates into a Martial Apprentice. His cultivation methods gain sentience and train automatically. He becomes an invincible genius overnight. A campus belle is slapped away. An old academy bully comes. An academy genius's martial heart is shattered. The rejected campus belle conspires with the bully, but revenge can't keep up with Cain's growth. He becomes a Martial Emperor in a year! All his cultivation methods are extraordinary, making him invincible at the same level.