Konoha's Strongest Technician

In Konoha, White Fang commits suicide at the beginning, and Kakashi's soul passes through him! What changes will happen when Konoha's number one technician who does not have the Sharingan to swallow blue still has the ability to copy? Tsunade: Kakashi, I will teach you the art of hundreds of people that I am proud of. Have you...already learned it? Slug Immortal: It only took one day for Xiaozhujian to learn the magic of immortality. It would be rare for such a proud man to appear again in a thousand years... How is this possible? When Kakashi realizes the weight of Lin in his heart, how can he avoid tragedy? Obito: Lin, I want to create a world with you. Kakashi: Isn’t Rin standing next to me? Obito:? ? ? Book...