A must try! Ordering from Japan might be tricky, but worth a shot. Big sake fan.
Here’s the Google translation of this tweet:
Continuing from last year, limited edition “No. 11” named after Darvish have players appeared from Hokkaido’s sake brewery and Kuniko Shuzo. It is on sale from November 11 (Sunday), but reservation has started on Wednesday, November 7. The special site is here.