how to dislplay previous post() content

If you want a meaningful answer – give more details. Just describe what you want to do, what is your goal, and let us tell you which template tag to use ??

https://www.pingmag.jp/2006/09/11/clacking-with-your-japanese-wooden-clogs/

like the Previously on PingMag

1. There is no such tag that you put in the title here.

2. Since you seem to be in love with that site – why not ask the author?

3. Probably a recent_posts plugin will do it – search the Codex: https://codex.www.ads-software.com/Plugins

previous post() is not recent_posts

at the bottom