How Difficult Is It for a Little Demon to Become an Immortal?

The little black cat who cultivates human form at the foot of Lingyu Mountain is timid and fearful, and is often bullied. The color of her coat is considered unlucky and anyone can step on her. After being bullied, she decided that only if she is strong can she have her own place. She embarked on the path of practicing immortality just because she met someone she wanted to protect.