That edition is now available for preorder in Japan and it’s priced at 4,968 yen; the OAD will be 25-minutes in length.
The manga comes from RED ICE and Yasutaka Fujimi which began in 2014.
We’ve had a decent run of information about how the Kyouchu Retto manga, which translates as Island of Giant Insects, is getting an OAD release with the upcoming manga.
The surviving passengers decide to wait for help to come, but the island turns out to be inhabited by giant insects!