Five siblings live together. They have arguments everyday and sometimes even fight with each other. Each of the siblings have their own problems like studying, finding a job, marriage, etc. There are also people connected with the siblings who either yearn for them or are their romantic interes

佐藤家五兄弟姊妹由於雙親早逝，大哥佐藤旭為照顧弟妹們決定放棄學業，擔起雙親角色，投身社會。多年後，老二佐藤曉、老三佐藤光、老四佐藤陽和老么佐藤旦已長大成人，各自在現實生活及理想的矛盾之間，掙扎求存。