When their son returned home after several years, he had completely transformed, coming back as a beautiful woman. Her appearance was delicate and captivating, as if she were an entirely different person. Yet, between her legs remained the unmistakable sign of the son they once knew. This mysterious presence stirred forbidden emotions within both father and mother, drawing them irresistibly toward her. Starring veteran actresses such as Kohaku Matsudai and Akari Yukino, this intense drama explores the complex intersection of family bonds and sexual desire.