After ascending to the Upper Realm, he finds life too dull and causes trouble everywhere. The Heavenly Dao kicks him right back down to the lower realm, the world of cultivation.
By chance, he brings home a dying little fox. The immense spiritual energy within him spurs the fox demon toward transformation at astonishing speed.
Having never raised a demon disciple before, the master gets his hands on A Guide to Raising Spirit Foxes and treasures it like a priceless artifact, dutifully following the instructions as he raises his disciple.
Rule One: Give them space.
With a grand wave of his hand, the master sends the little fox to live on an empty mountain for three years, then leaves it to fend for itself.
Poor little fox, crouched deep in the mountains, is filled with dread. Has Master grown tired of me and decided to abandon me?
By the time the master realizes far too late that he's misunderstood the book, he rushes back.
The once-soft and cuddly little fox has already transformed into a handsome young man, plagued by inner demons, with dark obsession roiling in his eyes.
That abandonment became the heart demon he could never overcome.
He will never allow himself to be abandoned a second time, no matter the reason.
Anyone or anything that dares to claim even a sliver of his master's attention must be eliminated.
The master is filled with guilt and only wants to make it up to him.
Who could have guessed he'd raise a possessive, obsessive disciple whose fixation is etched into his bones?
The young man advances step by step, gripping his sleeve tightly, his voice low and obsessive:
"Master, your gaze is only allowed to fall on me."