Haha Sange  

Step MILF, 義母散華

Tomonori is a university student who lost his mother two years ago. Despite this, his father, Seiichi, quickly remarried Hanae, and they now live together with Marie, Hanaes daughter. However, one day, Tomonori discovers that Seiichi had been having an affair with Hanae. Filled with anger and betrayal, he decides to take revenge by stealing Hanae first, even though it will put his family in misery and cause irreparable damage. His devotion to Hanae has become twisted, leading him down a path of destruction.