The story about Park Seo-joon and Park Min-young having three sons (Da-hyun, Chae-young and Tzu-yu). They also have a married daughter(Na-yeon). Seo-joon believes in unity of the family members so that they can with stand in any circumstances. Happiness not lasts forever, sorrows also come. What will happen to this happy family? Let's find out together. Gender Bender! English is not my mother tongue that's why I'm not so good in it. If you see any mistake then feel free to correct it. And I am writing a book for the first time, so please support it. Thank you.