This video compiles submitted material originally published in the SM magazine "Mania Club." The story is narrated by Yukiko (pseudonym), a 28-year-old married woman with three years of marriage behind her. Due to trauma from a man during her childhood, she preserved her virginity until marriage and believed sex was only permissible with her husband, having never masturbated. With almost no sexual knowledge, she obediently accepted all her husband's demands. However, after marriage, she realized his sexual tastes were far from normal. His demands gradually escalated, eventually transforming their daily life into something far removed from an ordinary marriage. Today, she lives as a sex slave lent out to other men. On the eve of each loaned session, she is locked naked in a cage and ordered to fantasize lewdly until she becomes aroused like a female dog in heat—her condition recorded on camera. Sometimes, upon waking inside the cage, she finds herself grabbing the vibrator and masturbating on her own. Knowing she's being filmed, watching the footage later makes her blush with shame. She is also forced to urinate only in a dog toilet. On the balcony of the cage room, her master inspects her genitals—she tries to stay quiet to avoid neighbors hearing, but it's futile. During loaned training sessions, she is stretched by an anal fetishist, watching helplessly as her anus is progressively widened. Being caged makes her increasingly aware of her own depravity; exhibited like a spectacle, she is sometimes even tormented by the desire for more abuse. Clothespins clamp her tongue, nipples, and genitalia, rendering speech impossible—she can only moan like an animal, lost in ecstasy. As punishment for her shameful state, hot wax is dripped onto her body, sending her sensitive flesh into orgasm from the searing heat. Afterward, she changes into a bodystocking and, as a reward for enduring well, is allowed to orally pleasure her master's cock. Her ass is stretched once more, letting her enjoy anal sex again for the first time in a while. She claims this pleasure was the greatest she's ever experienced in her life.