Prisoner number '0721' was arrested for unlawful entry and theft of underwear. Due to repeated thefts and an extreme obsession with lingerie, it was determined that he could not be held in a standard prison, resulting in a 10-year sentence at the 'Correctional Prison.' This 'Correctional Prison' is a specialized facility designed to suppress sexual arousal, where any sign of sexual activity—such as masturbation or erection—is severely punished. Rumors also circulate about surprise programs aimed at suppressing sexual desire. [Chapter 1] On his first day, 0721 undergoes a physical examination, an interview, and a briefing on prison rules, during which the facility's purpose as a place for suppressing sexual arousal is clearly explained. The next morning, rumors spread among inmates about an upcoming surprise inspection. The head guard, Nitori Hina, is involved in this inspection and orders 0721 to strip. As he complies, Nitori begins jerking him off. This so-called 'surprise inspection' is actually a 'masturbation inspection'—cold verbal abuse combined with increasingly rapid handjob brings 0721 to climax in no time, and his semen is collected for testing. The next day, based on the test results, 0721 is transferred to solitary confinement. The cell is quiet and surprisingly comfortable. That night, Nitori appears again, forcing 0721 into sexual acts as part of a 'correctional program,' punishing him by making him ejaculate. Exploiting his obsession with women's underwear, she shows him panties and makes him climax twice through handjob, his cock growing harder each time. Nitori then attempts to 'purify' his cock with her own vagina, grinding her hips against him despite his protests. Sex continues relentlessly until his cock finally goes soft, even after ejaculation. [Chapter 2] Amidst grueling prison labor, bath time is the only moment of peace. Today's supervisor is the by-the-book prison officer Yuri Manase, known for accepting no excuses. 0721 sees her sitting with her legs spread open and instantly gets an erection. Panicking, he tries to hide it but is caught immediately, triggering the correctional program. He is forced to lick her anus while receiving a handjob, his face pressed under her ass as he's made to lick her pussy, then sprayed with urine and forced to suck on her freshly removed, soaked panties. Even after two ejaculations, his cock remains hard. Yuri uses her own vagina to stimulate him further, making him climax two more times until he passes out. When he wakes up, he's on a bed in the infirmary with Yuri waiting. She mocks him, calling him pathetic for fainting so easily, then resumes tormenting his cock with handjob. Soon, another guard, Manase Yuri, joins in, and the two of them take turns licking and sucking his cock. In just the infirmary, he's made to ejaculate three more times, totaling seven forced orgasms in one day. [Chapter 3] On top of exhausting prison labor, the surprise masturbation inspections push his body to the limit. After work today, 0721 heads to the guard room where Yuri is stationed. He notices a 'prison key' carelessly left behind and decides to escape. But when the key doesn't fit, he turns to find Yuri standing behind him—this was her trap. Dragged back to solitary, he's pinned down by Yuri and stripped naked. He realizes this isn't a correctional program, but driven purely by her personal desire. Subjected to verbal abuse and nipple play, his cock is drenched in her saliva before she gives him a blowjob. Then, she envelops his cock between her soft breasts for a titfuck, making him cum twice. Satisfied, Yuri finally lets him keep his underwear. Alone again, 0721 sniffs the fabric and thinks to himself—maybe this prison isn't so bad after all. Perhaps, at last, he understands the true purpose of the Correctional Prison. [Delusional Erotic Maniac] Nitori: B94 W59 H87 / Yuri: B96 W62 H94 / Manase: B91 W60 H90 ※This work features adults in cosplay. ※All performers in this work are adults over the age of 19.