The Almighty Hexagon, Mero's Lifelong Enemy

**Timeline: **Based on the actual timeline of the real football world, starting from 2004, it has experienced the rise of the Premier League, the two heroes of La Liga, the recovery of Serie A, and major events such as the World Cup and the European Cup. **League system:** Including the five major European leagues such as the Premier League, La Liga, Serie A, Bundesliga, and Ligue 1, as well as intercontinental competitions such as the Champions League and Europa League. **National team system: **Includes national team events such as the World Cup, European Cup, and America's Cup. Ren Xiaoyao can choose to join the Portuguese national team or the Chinese national team. (Paves the way for the subsequent plot) **Clubs: **Based on real-world clubs, including Manchester United, Arsenal, Chelsea, Real Madrid, Barcelona, AC Milan, Juventus and other wealthy teams. **Stars:** Based on stars in the real world, including Ronaldo, Messi, Rooney, Henry, Ronaldinho and other legendary superstars.