My Dreams Connect to Ancient Times

In the spring of year 6823 of the New Calendar, Lu Xuan, an unregistered resident of the Federation, hid outside a high school classroom and secretly learned a Cultivation Skill, embarking on the path of Cultivation.

On the same day, he returned home and had a dream, just as he always did. In the dream, he was in the Guardian Storage Room during the Spring and Autumn Period in Chinese history（770-481 BCE）, and the current Keeper of the Records was named Li Er, also known as Laozi.

Later, Lu Xuan dreamed that he became the succeeding Keeper of the Records, became Confucius's second teacher, became the senior brother of Zhang Daoling, the Ancestral Celestial Master, and became the honorary father of the First Emperor...

Even later, someone unearthed a roll of bamboo slips from the ground, on which an event was recorded.

[The eighteenth Keeper of the Records, Lu Xuan, his Sword Qi like a waterfall, assassinated Duke Huan of Qi in his bedchamber]