Bondage demon cum Abeno Miku

Isshin Miku wants to help his sick mother, and begs her uncle to lend him the medical expenses. Her uncle has made a promise to help her mother, but she tricks Miku into confining her underground! When she resists violently, she is threatened with, "You want to help her mother, right?" and rapes her! Eventually, she becomes a submissive slave who keeps her eyes rolling and convulsing and climaxing with her eyes rolling white!