This's not up on avex Taiwan's website yet but preorders are already up on 5music Taiwan's website with the catalogue no. , further details for all 3 editions of MOON / blossom which will be out 2 days after Japan's release date
MOON / blossom CD only
blossom / MOON CD only
MOON / blossom CD + DVD
I assume for HK presses , it will be released on the same day as Taiwan but I wait for HMV HK to update their website on this