After Signing in for 15 Years, I Became a Tree God

Su Mo accidentally traveled to a world different from the earth due to a heart disease, and he turned into a tree that might wither at any time, but he had a sign-in system, and a 5-year-old boy who planted Su Mo kept spreading fertilizer and watering him. It wasn't until 15 years later that a demon appeared in the world that could destroy the world. The little boy rushed to fight the demon, but in the end he was seriously injured due to lack of strength. The protagonist felt that the little boy was injured and teleported to the demon. A leaf destroyed the demon... Bai Ling: "I am the protagonist of this world." Su Mo: "No, you are not." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.