Lin Yu traveled from 2025 to the Qinman Courtyard in 1970. Faced with complicated neighbors and oppression, he relied on his alien space and modern knowledge to counterattack in his career and fight back against the evil forces in the courtyard. This article only uses the characters of the courtyard to facilitate everyone's reading. Please do not bring the ideas of other courtyards into reading. In short, it is enough in one sentence. All rights of interpretation belong to the author.
