Kakeru Aizawa is the younger brother to Suguru Aizawa, a soccer prodigy belonging to Japan's under-15 national team. Prior to the series, Kakeru quits his position as a forward after a traumatic experience prevented him from playing with his left leg and settles for a managerial position. After the two are hit by a truck, Suguru dies and has his heart transplanted into Kakeru. With it, Kakeru returns to soccer to achieve his brother's dream of winning the World Cup.
Kakeru Aizawa is the manager for his middle school soccer team and younger br...