The first time: I didn't know the plot, and I traveled through time and became Kakashi, a miserable dog.
The second time: He was reborn and returned to the past as a little kid. He was picked up by the real Kakashi. Faced with the person whose body he once occupied, he suddenly felt guilty.
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Shen Li: [Kakashi, I'm sorry, it's all my fault for occupying your body. If it were you, I would definitely be able to reverse the tragedy in the future]
Kakashi: [Well, yes, it is indeed your fault. In that case, just stand by my side and don't leave. ]
Intention:
