this method helped me too so ill explain how i personally did it!!
i went to my notes app and just typed enter, then if you press and hold in that area, you should be able to select all and copy the highlighted enter bit.
then if you're using gboard (as an example) for a keyboard, you can click on your keyboard's options, pin the copied "enter" to the clipboard, then paste it whenever you need to add a tag
Hi hi, this was one of the things I did while trying out this method, it was one of the only things I could think of lool but no dice...
actually after giving up decided to just try using my Bluetooth keyboard on my phone and it somewhat surprisingly worked,,, so that'll do from now on...
i'm not sure if my device is the problem with this method but still thank you for your reply <3.

Does anyone know how to add more tags to the mangas? I use the phone version and the only tags I'm able to use are the ones I have available on the tag options when qualifying a manga. I've tried to add tags and when I press enter it doesn't add. It take me to the comment/notes section.
I've also changed to the desktop version to see if I could do it but no, still the same.
Is anyone else having the same problem?
I've had this issue for some time but its getting annoying to not be able to properly tag a manga.