In a town where clubs compete for supremacy, Ando Shintaro, the president of the "Zennichi Civil Engineering" contractors, lived a fulfilling life. Though he wasn't wealthy, he worked hard alongside his fellow colleagues. However, one day, the number one "Club Texas" appear in front of Shintaro and the others and are told that they are now under the umbrella of "Club Texas". Shintaro ponders this and consults with a lawyer regarding buying back the company. However, he is told that it's impossible since "Club Texas" on the number one club. Riki, an employee, goes into "Club Texas" on his own but gets into a fight. Furious, Shintaro rushes in to defeat the person who beat up Riki. However, the number one host there is his older brother that left 10 years ago.

　　法律和警察所无法干涉的夜总会俱乐部之间互相争夺着霸权，销售额、比酒量、争吵等问题不断展开。与那样光辉灿烂的世界无缘，安藤新太郎从父母那里继承了的土木建设业"全日土木"，作为社长而工作。以新太郎的哥哥SENIOR出现为契机，全日土木和“NIGHT RING”的No.1夜总会俱乐部“德克萨斯”展开了势力之争。此外，俱乐部“圣马鲁奇诺”也卷入其中，事态发展为保护亲兄弟之间重要的东西的战斗。圣宝石学园的学生们也因为某个男人的想法，与NIGHT RING产生了联系。

信太郎為了挽救自己的建築事業，必須反抗經營傳奇公關俱樂部「德克薩斯」的哥哥。