Noroi no Yakata no Shokushukutsu

A girl from an anti-alien special force is captured by the enemy commander with the alien's awful paralyzing beam.
In the alien's headquarters, she is tortured with whips, electricity, remote control vibrator, and a tentacle-machine.
She struggles to escape, but finally she is taken to a cave where biomechanical monsters crawl...

[Edited from DLsite English]