Board Thread:Game Updates/@comment-3502824-20170108030619/@comment-28301281-20170127150056

Jumpieraverage wrote: The feeling when you don't have Shioi :(  This might prove to be the best chance of getting her though. ;)

Also it might mean that one of the rewards will be another sub that participated in this action - either I-400 or (IMHO more likely) the smaller I-13 and I-14, more or less an improved Hacchan that can carry 2 Seiran (https://en.wikipedia.org/wiki/Type_AM_submarine).