The older sister who married into a wealthy, prestigious family. She raised me as a parent would, and I cherished her deeply. That's why I always wished for her to be happy in marriage. But shortly after her wedding, she suddenly stopped responding, and I grew worried about what might have happened. When I went to her home, no one was there. Inside an open room, I found a single DVD left behind. The label read "Female Slave ● Impregnation Record," filling me with dread. What exactly had happened to her? What truth could this disc possibly reveal?