When Miki was a child, her parents divorced. After her mother, with whom she lived, passed away, Mori Miki was placed in an orphanage. She had always dreamed of meeting someone new and was at the peak of her happiness when she finally got engaged to Inoue Ken, the heir to a major trading company. However, her older brothers, whom she was separated from at a young age, show up to stay with her. This is a heartwarming comedy that depicts the struggles of Miki and her three older brothers.