Synopsis(by Kaddi): After her husband dies Harue Sakurai has to bring up her three sons Tatsuya, Riku and Junpei on her own. 15 years after that, the children are grown up. Tatsuya works as an office worker and helps supporting the family financially. But also in other ways he supports the family and manages to keep everything working as it is supposed to. Their mother works at a supermarket, the second-eldest son Riku visits one goukon (group date) after the other, while working as a part-time swimming instructor, and the youngest son, Junpei, is occupied by managing to serve breakfast and dinner at the right time, while going to school.
Because of the brothers' totally different personalities they tend to have arguments ending eventually as fights (a Brother Beat). The drama shows the development of those three brothers to become responsible persons as well as their loves and pains on their search for luck. Because of the fast and interesting story, this drama is never getting boring and the ending is not only a happy one ...