Popular actress Reiko Shimura transforms into a dog-like creature! Reiko, the long-awaited new pet dog welcomed into a family, is discovered by the two sons and used as a sex toy to satisfy their desires. When the father finds out, he becomes enraged, tightly restraining Reiko and punishing her with vibrators and spanking. Furthermore, the story unfolds with the intimate relationship between the male dog and other lust-driven dogs living harmoniously together. Reiko, celebrated as a mature woman dog, blurs the line between human and animal in this tale of raw desire.