Abandoning the Immortal Venerable for a Demon

In her previous life, she loved him so much that she lost herself, while he devoted himself to the Dao. She fell head over heels, but he thought she was just like him. Only when she faded from the world did he realize how he felt.

When they met again, he didn't recognize her. For hundreds of years, he watched her act lovey-dovey with another man right under his nose, ordering that man around until he was completely flustered. He looked down on the man.

Until the lofty him finally recognized her...