I Have an Emperor Who Fights on Behalf of the Group

One day, Li Daoxian accidentally joined a communication group for senior chuunibyou patients in history. The group business cards of the group members inside all have posthumous names of the dynasty. "Ming Dynasty - Sixteenth Emperor Chongzhen - Zhu Youjian: On the first day of the first month of the seventeenth year of Chongzhen, the country will perish 108 days later. Please fight for me!!!" "Qin Dynasty - Qin III - Qin King - Qin Ziying: Just ascended the throne, the country will perish in 46 days, please fight for me!!!" "Shang Dynasty - Emperor Xin..." Li Daixian accepted Zhu Youjian's acting assignment. The next moment, he traveled to the Ming Dynasty and became Zhu Youjian's cuckold. 108 Days later, the Ming Dynasty fell, and he followed it and died. 108 Days later, the Ming Dynasty came back to life, and compared with history, the wealth, personnel, and national power were transformed.... What should we do if our country is about to be subjugated in 3 months? Fortunately, I can travel back to modern times! If you don't realize it, Baidu will solve it! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.