The Blackmail: Tomorrow Never Ends is a Japanese adult anime series that premiered in 1999. The first episode introduces the dark and twisted story of Aya Yuuki, a high school girl whose life takes a tragic turn when her best friend, Yumiko, betrays her in a shocking act of revenge. Aya and Yumiko are best friends, but their relationship is shattered when Aya develops a crush on a boy Yumiko loves. Consumed by jealousy, Yumiko orchestrates a cruel plan to humiliate and exploit Aya. She takes compromising photos of Aya and uses them to blackmail her into becoming a "helpless sex slave." Yumiko's revenge doesn't stop with Aya; she extends her cruelty to Aya's friends and family, forcing them into depraved and humiliating situations. The episode explores themes of betrayal, manipulation, and the devastating consequences of unchecked jealousy.