Heiantei - Tsuma no Haha - Gouman Onna Shachou to Doukyo no Hibi Final (jap) - Adult Sex Game

The Motomiya family is said to be one of the most distinguised families in the area. The 17th head of the family, Motomiya Kinue, although a woman, she's also the president of the Motomiya family's parent company, which is one of the largest corporate groups in the area.

The story begins when Motomiya Mamoru, who married Motomiya Maki, the only daughter of the cold-hearted and manipulative president Kinue and became the son-in-law of the Motomiya family, was sentenced by Kinue because of "something".

Which will lead towards the fall of the prideful female president from a prominent family...