On How to Survive in the Devil World by Gathering Wool

Su Jiu woke up and transformed into a vicious female supporting character who was destined to be tortured both physically and mentally by the plot. She quickly packed up her luggage and ran away, finding a random place to hide in a deserted mountain. Unexpectedly, he accidentally saved a demon who was seriously injured and had amnesia. The first thing he said after he woke up was: "Woman, you successfully caught my attention." Su Jiu expressionlessly took out the "Five-Year College Entrance Examination and Three-Year Simulation": "Those who want to be like me must finish this first." After three days of hard writing, the Demon Lord suddenly regained his memory and tore up the book with a sneer: "I am the Supreme Being of the Demon Realm!" Su Jiu silently took out another book: "Oh, then try this one, "The Compulsory Course for the Supreme Master of the Demon World: From Beginner to Mastery"." Demon Lord: "???"