You don't have to, but some people have been manually adding their mangas back.
- bookmarks
- looking through tags / comments/ etc
- looking through lists
- looking through browser history (saves ~3 months)
I personally wouldn't add to your lists yet, but others have been and haven't faced issues. Other people have faced issues so just be careful and check each entry is properly saved. You might be fine, you might not. ╮( ̄▽ ̄)╭
https://www.mangago.me/home/mangatopic/21255174/

Bro fr I can’t believe I lost all the shit I’ve already read like