Transmigrated as Chongzhen, Don't Force Me to Hang Myself!

Damn heavens, why did I transmigrate into Emperor Chongzhen! This Ming Dynasty must be saved whether I like it or not! The Jiading Massacre, the Yangzhou Massacre... Dorgon! Li Zicheng! Kill them all! Restore the Chinese civilization and attire! If the Ming Dynasty falls, the Manchu invaders must also be wiped out! — Description from novelcodex.org