Dragon Ball: Nihon Ijin Taishou - Saikyou no Ijin wa Dare?

Synopsis

The "First Strongest Hero Fighting Tournament" is about to commence, with a massive crowd in attendance. As the host prepares to start, a surprise guest arrives in spectacular fashion. Goku descends from the sky on his Flying Nimbus, ready to showcase his incredible martial arts skills and challenge any formidable fighters who dare step into the ring.