Update the favorite manga please

[Chahinphone]

Describe your suggested feature

Hi friends I want to apply to update my favourites
In order to show your favorite manga from various sources
And block the same manga from various sources like
If you describe the One Piece manga from a source (A) And you went to another source and forgot that you put One Piece manga and you want to put it in your favorites from source (B) Here you stop me and think that I have put it before in my favourites
And thank you, I think I merged and explained a lot

Acknowledgements

• I have searched the existing issues and this is a new ticket, NOT a duplicate or related to another open issue.