Talk:Player Page Layout/@comment-27781616-20160114025913/@comment-4814455-20160114132555

That depends entirely on what you mean by "breaking" canon.

If you intend to have interaction between your fanon characters and canon characters, that's okay as long as it's not overly excessive (e.g. you can have a conversation with Kirito, but your character and Kirito cannot be "best buddies").

For a more detailed list of things you can and can't do, look here