I Found a Sword Immortal

He was once the foremost Sword Immortal beneath the Nine Heavens, his sword's radiance chilling the heavens as all immortals bowed before him.

To seek a breakthrough, he sealed away his memories and immortal power, descended into the mortal world, and became a wandering scholar.

After she rescued him out of a sense of righteousness and carefully laid a scheme, she brought the amnesiac man back to her residence.