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

premise-Two Onmyo Ama, female divers specializing in yokai (supernatural creatures), set out to exterminate a human-sized "giant starfish" that suddenly appeared on the shore.
They confront the starfish with their honed martial arts and exorcism techniques, but are no match for it, their bodies swallowed and their energy drained.
With one of them defeated, the other Ama realize they cannot win by conventional means and resort to their last resort…!
Contains fighting, relatively mild ryona (sexual violence), and rape scenes.
Pseudo-predation scenes (no dismemberment, dissolution, or bodily mutilation).
26 pages.
Includes textless version.

Nothing ever happens

Base +6