[Jinnai] Mahou no Kikai (Magic Machine) [Kuraudo]

A captured elf, chained in a stone workshop, frets over her little sister while hooded, plague-masked interrogators demand the location of her forest village. Her magic turns out to be potent enough to power their magic machines, so mechanical brushes and phalluses are set loose on her bound body, pleasure wielded as an interrogation tool. Defiant even as the devices force climax after climax from her, she clings to one promise — escape, and find her sister.