I Was Dumped by My Girlfriend at the Beginning, She Didn't Know That I Would Live Forever

[Immortal x Make up for regrets x Behind the scenes x Decisive killing] Li Changgeng, a graduate student in the history department, unexpectedly gained immortality due to a vicious curse when breaking up, and his soul traveled two thousand years ago! The opening scene was on the bloody sand dune platform, where he witnessed Young Master Fusu commit suicide in hatred! "I hate it! I hate that the sky has no eyes and allows traitors to rule!" In Fusu's desperate roar, Li Changgeng made a blood oath—— If there is any deficiency in the way of heaven, I will make up for it! Since then, there has been a mysterious shadow in the long history. He was the guide who led Huo Qubing to Feng Lang Juxu, the unknown knight who guarded the prosperous Tang Dynasty during the Anshi Rebellion, and the flame that ignited the last hope in the Battle of Yashan! He founded Butian Pavilion, secretly controlled China for thousands of years, and fought against the equally immortal enemy "Returner"! After living for three thousand years, when he returned to modern times, he found that the girlfriend who dumped him had become a history professor studying him...