Postmodern Time Travel Narrative

Become a seven-year-old girl for no reason, or a poor rural person? Well, she could launch into an implicit farming journey; Do even small families have to fight with each other? Forget it, I can tolerate these; But why let her know such a big secret? What about living a peaceful life in the future? And, who is that, stop calling her stupid! People are just thinking! The dual-core CPU with photographic memory also needs time to run!