Is there a thing in mangago where it can show what stories you've read?

If you press on that clock sign on top and click “show all>>”, everything you read will show up

uhm do you mean the mangas you've already read?

There’s a “history” section which is kinda similar. But mine only goes back to around April this year.

yup! but u should click on of those 3 options (want to read, reading, i already read) the last two options can give u notifs abt the stories update that u are reading! hope it helps

Yeah, just add it to stories you've already read on your home page

This is such a great help! Thank you!