Kill the Emperor from the Start

Xu Xian was reborn into a world where martial arts ran rampant and broke the law. From the start, the old emperor wanted to kill his father, while the princess he was betrothed to had her eye on a little monk and wanted to cuckold him? Knowing he had no chance of surviving, Xu Xian decided to take someone down with him. He steeled himself and killed the old emperor. Then the System activated, summoning Ye Gucheng, Lord of White Cloud City; Ximen Chuixue, the lonely Sword God; Yan Shisan, the deadly swordsman; and one legendary expert after another. Xu Xian began his grand and glorious road to rebellion!