After Johnny and Daniel's victory at the All Valley against Mike Barnes and being both champions, they developed a friendship and brotherhood bond over the years. When Johnny sees Miguel getting beaten up by Kyler and his friends, he and his sons decided to step in and help him against the bullies.....then Miguel wanting to be taught karate giving Johnny the idea to open Miyagi-Do in honor of his mentor and father figure Mr. Miyagi also called Daniel to help out and co-Sensei meanwhile John Kreese decided to reopen Cobra Kai to get revenge on Daniel and his former student...... This is based on What if Johnny joined Miyagi-Do? By Tylearn.