source- https://www.dlsite.com/maniax/circle/profile/=/maker_id/RG14831.html
Artist- https://www.pixiv.net/en/users/29088547/artworks

premise- A fishing village suffers a poor catch due to the appearance of a giant octopus.
The village's twelve female divers, following the advice of a traveling Onmyoji (exorcist), throw themselves into battle wearing only loincloths to slay the octopus.
However! The Onmyoji was the very source of the giant octopus's appearance!!
Trapped in a scheme, the village's female divers do not fall into despair but unite and resist, but
are easily tormented by the mighty giant octopus, their life force drained, and they fall one after another...
What kind of ending awaits the twelve female divers' struggle...!?
This is not a bad
ending. Contains depictions of sexual assault, violence, and ryona without depictions of blood. 36 pages, grayscale . Includes a version without
dialogue.