I Took an Immortal as My Master

Main Couple: The Solitary, Cautious Senior Sister × The Loyal, Scheming Little Wolf Demon

I was an orphan, taken in by my master, who taught me everything and guided me in my cultivation. During my years with him on the mountain, I met a boy who was once a little wolf cub. I promised I would find him after coming down from the heavens, but for years I was stuck by my master's side, always caught up in one thing or another, with no time to spare... When we met again, he only held me close. “Don't leave me behind again...”