Mayoi Sakuya wanders into a tunnel scarred by the remains of a self-immolation suicide, stepping into a creepy, darkened space shrouded in night. At the hour of the ox, under orders from a mysterious group, she is forced by an unknown man to undergo anal stretching inside the tunnel. The commands grow even more severe, directing her toward a forbidden ruin. Entering the site completely naked, she arrives at a restroom within the abandoned building. Once again, an unfamiliar man lies in wait, repeatedly inserting enemas and spreading feces everywhere. Her body is dominated as forced acts continue relentlessly. Mayoi Sakuya writhes in agony, her mind and body driven to the brink of climax—only then does the session end. A disturbing and extreme scenario unfolds, captivating viewers with its intensity.