Yeah for like 3 episodes.

Did the actress who played the original Hana ever returned?

I got a question where do you post a link for non rider toys? Something I want to post

Nope.

Where can I read Kamen rider novels or manga?

So, where is everyone getting the Ryuki sigs? And how would I get an Imperer one? (I know this is more meta, but I don't know where to ask)

Forum member FormerTitainium made them for a role-playing forum game that's currently in progress.

Ah, thanks.

Speaking of Ryuki (and bringing Blade/Decade into this mix as well), think we'll ever get another card themed Rider show again?

Not sure since Decade did the whole card gimmick and had a big toy line for it. It may be too recent to try again.