Kokujin VS Hakujin ~Power Sex no Toriko ni Natta Tsuma~

The main character, Yuusuke Takamoto, was content with an ordinary but peaceful and contented life. He has been happily married to his beloved wife Miyuki for three years. As a full-time housewife, Miyuki is a very supportive and devoted person. She has learned to cook from Nodoka Shinonome, a senior housewife who became her friend after moving into the apartment, and she has become very good at it. Yuusuke was grateful to Miyuki, saying that he had married the best woman he had ever met. However, Yusuke felt bad that Miyuki, who is an active person by nature and likes to go out and work, is a full-time housewife. Then, a foreign student, Ben, comes to Nodoka's house. Miyuki finds it stimulating to interact with Ben, who is black and grew up in a completely different culture from her own. She had not been a housewife for a long time and was delighted to be exposed to a new set of values. Since Ben's arrival, Miyuki is as energetic as she used to be when she was working. Yusuke, too, was pleased to see his wife enjoying herself. Until he learned of his wife's infidelity with the black foreign student. [From official site