After Time Travel, the Future Immortal Becomes a Loyal Dog

[Two male protagonists + the next year + farming, slow-burning, redemption story warning] As a mountain god, Mei Shuying came to a world of cultivation. After living in a small village for hundreds of years, he picked up the first cultivator he had ever seen. Later, something called the system bound him and told him that the cultivator he rescued was the Immortal Lord who would become famous in the future. However, the Immortal Lord ruthlessly killed many people, treated the common people as nothing, and had countless blood on his hands. The cultivators here are all selfish and refined egoists, and have absolutely no qualities that a person who wants to become a god should have, so the system selected Mei Shuying and asked him to change the world. Mei Shuying: I understand everything you said, but I am just a little mountain god, not official yet System: You are right, but this is your task Mei Shuying:...... When he was a child, the Immortal Lord was a little hedgehog with thorns all over his body. It took Mei Shuying a long time to open his heart. Her original intention was to teach him to be kind, but she didn't expect that she would be involved as well. The Immortal Lord has indeed gotten better, but his mood seems to have become more unstable. He cries every now and then and needs someone to coax him. As long as Mei Shuying has the slightest intention of leaving, he will immediately go crazy. Any factors that are unfavorable to Mei Shuying will be destroyed without hesitation. Mei Shuying had no choice but to keep him by her side to comfort him and teach him But he usually learns everything so fast that Xian Zun never learns to control his emotions. Mei Shuying always felt that he was insecure. It wasn't until he heard a conversation between Xian Zun and others that he realized that this was his way of keeping him. Mei Shuying:...... Fuguang: QAQ