Su Lin is an excellent restorer who specializes in repairing the twisted world line of the World Tree.
He used to be the adopted son of the Bailian Su family who was very scheming and controlled everything.
He used to be a moody, arrogant, hypocritical and bright saint.
…
He used to do all kinds of evil.
Su Lin: Actually, I just want to be a good person.
Quick passage, cp is random, the author doesn't know.
Have fun reading the text and pictures, don't delve into the logic, just be grateful.
Concept: The character played by Su Lin was once a bad person. He used practical actions to cleanse himself and become a good person from then on.