The series 'Idol Kyousei Sousa' follows the erotic ordeal of popular idols Rina and Miki. After a disastrous live performance leads to a formal investigation, they are handed over to two relentless investigators. Subjected to intense and humiliating interrogation sessions, the idols find their bodies and wills systematically broken down. The investigators use various perverse methods, forcing Rina and Miki into increasingly degrading sexual acts under the guise of 're-education' and 'correction'. Each session is designed to exploit their vulnerabilities, pushing them deeper into submission as they are relentlessly used for the investigators' pleasure, stripping them of their pride and transforming them from celebrated pop stars into helpless sex toys.