In my long-awaited home... I live with my wife's mother

After the bank has finished screening, Shinya purchases the newly built detached house he has longed for on a 35-year loan. However, there was one problem...it was about Mio, the mother of her wife, Misako. Mio had lived with her eldest son's house since her husband passed away, but she was unable to arch with her eldest son's wife and was losing energy. Seeing Misako worry about her mother, Shinya buys her to live with Mio and leaves. And then I started living with my stepmother. At first, the two were awkward, but something happened that brought them closer...