木曾改二(水着)
The [[bikini]] [[official alternate costume]] of [i][[Kantai Collection]][/i]'s [[Kiso (kancolle)|]], intended to have been exclusive to her [[Kiso Kai Ni (kancolle)|kai ni form]] and as seen in post #2940724. While considered an official costume, it has remained unreleased in the game apart from the 2017 calendar.

Her swimsuit consists of a [[black bikini]] with white [[animal print|tiger stripes]], plus a [[brown hat|brown]] [[straw hat]].
kiso kai ni (swimsuit mode) (kancolle)