What Should I Do About the Little Fox I Found Turning Dark?

[Mission-Bound Cold-Faced (Not Really) Immortal Venerable x Little Fox Who Turns Dark and Obsessive Later]

From the Male Lead's Perspective:

Before, whenever midnight brought him back to his dreams, Huaichuan remembered the snow atop Kunlun's Heavenly Mountain, unmelted all year round, the biting wind howling by his ears, and the pair of hands that had gently lifted him up...

Later, Huaichuan still saw that mountain, that snow, that wind, but all that remained was him kneeling on the ground, calling out again and again until his voice broke...

She had the world's most aloof and breathtakingly beautiful face,

and the world's coldest, most heartless soul.

From the Female Lead's Perspective:

Yu Yuan was born with immortal bones and ascended to the heavens as soon as she took human form. As an ice lotus from the Heavenly Mountain who had never known hardship, she was sent by the Heavenly Dao to the mortal realm as Kunlun's Immortal Venerable, tasked with protecting the cultivation world and enduring centuries, perhaps even millennia, of solitude. Only when she died for all living beings and sacrificed herself to the Dao would her mission be complete. Yu Yuan thought the task would be simple, but she never expected that a little fox she had saved by chance would go mad after her death, kneeling in a daze as his hair turned white in an instant...

Later, Yu Yuan, who should have been lounging around in the heavens after completing her mission, awoke beneath a canopy warmed by red candles. As chains jingled softly, the little fox's exquisite, radiant face glowed in the candlelight. His lips parted: "Master, you promised you would stay by my side forever. Keep your word. Just stay with me, always..."