Hentai Sex School Episode 4 : Detention

Penny's situation at the Hentai Sex School has worsened, finding herself in detention with Misty Clitt and the Cinn sisters. Shackled and exposed in a dungeon, they endure relentless penetration from racy machines. Amidst the pleasure, arguments erupt over Penny's entry into the school.
The intensity of the machines increases, leading to uncontrollable ecstasy. The Cinn sisters reveal their envy towards Penny, causing further tension. As Penny tries to intervene, the pleasure overwhelms the room.
How long can they endure before reaching their limit in this tumultuous detention?.