Erotic Trap Dungeon

Sophia and Mimi, their bodies utterly exhausted and pushed to their limits, woke up the next day.
The two continued searching for a path to go further in, and finally found their target passage, but a large number of tentacle columns were waiting for their prey to approach.

While Sophia suggests giving up and looking for another way, Mimi bravely tries to squeeze through the tentacle pillars. She seems to be making good progress, despite the narrow gap barely wide enough for one person, but...