The Crown Prince Consort of Great Wei: The Princess Forces Me to Become the New Emperor

I transmigrated and immediately became a princess's consort? Fantastic! I can live without a care for the rest of my life! What? The princess is actually a lunatic, and she's caught up in the struggle between the civil and military factions, the battle between the old and new laws, and the fight over the heir to the throne. If she loses, she'll have to raise an army and seize the crown? Great, great! Then I'll go crazy right along with you! First, I'll lead the imperial guards on a rampage through the capital. Second, I'll take control of Sichuan and Shu. Third, I'll rebel against him! And fourth? Naturally, I'll become the Great General of the Universe!