After retiring from the marathon, Kashiwagi Tatsuya (Eguchi Yosuke) plans to return to the countryside to get married and start a new life. At the same time, he also plans to find his brothers and sisters who are scattered all over the country. After their parents died 7 years ago, the brothers have been separated. After 7 years of time and space, everyone has a completely different experience: Koyuki (Sakai Noriko) who has an affair with her boss, Masaya (Fukuyama Masaharu) who is adopted by the hospital director, Kazuya (Ishida Issei) who is a bad boy wandering the streets, high school student Komei (Oji Emi) and Fumi (Yamamoto Koji) who has both legs disabled due to an accident. Even relatives can't help but feel resentful... Tatsuya is determined to take on the burden of the family and reunite everyone no matter what. He overcomes many difficulties and even sacrifices his own marriage... So, the six brothers finally gather under the "same roof", and an ordinary story of a warm family with frequent accidents and accidents, constant quarrels and conflicts, but also full of laughter and joy begins.