...Oh hell, I just "knew" what this was from and I didn't even read the damn manga. From tvtropes to this place, it's supposed to be pantshittingly scary.
Creepy... I always wonder what happens next, are they hostile? Do they die without the stone walls to support their twisted bodies? Do they remember who they are? It's a mystery, and it makes me sad that it cuts off like that. Just like The Gray, there's no reall resolution, it just cuts off at the climax.