Try these:
Listen Attentively
Go Go! To 2008 ☆
Thx
Wc ヾ(❀╹◡╹)ﾉ~
There is a novel really well written about a guy sent in a primitive society, if you want:
https://www.novelupdates.com/series/banished-to-another-world/
How do you read it? I keep pressing on the first chapter but it doesn't work
Maybe your browser?
https://moonlighttranslations.wordpress.com/2018/02/08/banished-to-another-world-chapter-1/ for the first chapter
https://jadetranslations.wordpress.com/2018/04/04/baw-chapter-2/ the 2nd one from another team
Do u guys know any manga, or manhwa that take place in the past like this one?