To celebrate the second anniversary of Madonna exclusive Nao Jinguji's contract, the legendary shame training comic "Father-in-law - Yumi's Afternoon" by Chinese Naruto has been adapted into a live-action version! Yumi, a beautiful and elegant bride, has been living a happy married life for three months. However, her father-in-law, Nenzo, has an abnormal obsession with her. Then, due to a certain incident, Nenzo gets hold of Yumi's weakness and takes this opportunity to play with her mercilessly. This triggers him to repeatedly develop her body and corrupt her into a sensitive one...