Inside the Tentacle Cave (Manga) Vol. 2 (manga)

Consuming adventurers and bending female mages to its will, the Black Ooze grows in both power and hunger. Frederica and Fiana, warped by demonic lust, hatch a plan to lure fresh bodies into the mines—and they’re on the verge of success! Is there any hope of escape for Satia and the other victims?!