[Rushiumu 23 Nichi] Benpi no Sister to Futanari no Oisha-san

A demon doctor provides unconventional medical treatments to a constipated nun, leading to an overwhelming sensory experience. As the doctor's potent nature interacts with her body, the nun struggles to maintain her composure amidst the intense, messy sensations. The tension builds through a series of visceral encounters that test the limits of their relationship and physical endurance.