Wife Shibori Act 2: Which would you choose, Sakura or Yen...? !

A man's heart is fluctuating between big-breasted beauties...Without a girlfriend, there was not even a single thing that came to mind, and Kosuke Kokoro was living a life unrelated to women.One day, his father, who was fed up with his business, asked him to arrange an arranged marriage. She is approached and is forced to live with her arranged partner. Sakura (older sister) came to watch over the two, and Yen (younger sister) was the matchmaker. And Yukie, a married woman who lives next door. What will happen to this strange sexual activity that involves my older sister, younger sister, and even my neighbor...?