Just quick update (or rather lack thereof), ZFrontier still hasn't gotten back to me yet, but I do think they will come soon enough.
Have all the extras for this set already been sold out? I would like to purchase one as a gift but I don't see any buying options on the kono store yet .
The preorder extras have been sold out from two months ago. I don't know if there's any more of them though yet, but keep and eye out and you might be lucky.
R2 when
Good question, it'll happen when:
A. When enough time passes (like a year or two probably).
B. The set has crazy demand by then.
C. When I can afford to pay some weeb artist to make a deskmat and box art for R2.
D. Just fyi if R2 does happen, it's probably gonna be hiragana+latin alphas and icon+bottom row text mods, and the kits will be adjusted to whatever is popular at the time being.