Story-

Waluigi has been hiding in the darkness for the past few years, just waiting for his chance to steal his arch nemesis', Luigi, fame. Cousin to Luigi, and brother to Mario's foe, Wario, Waluigi has been ignored under all of this famous relatives' spotlight. But, Waluigi has decided Mario Tennis 64 is the perfect time to unveil himself as the undisputed evil superstar of the Nintendo universe. If he can successfully steal his cousin's fame, maybe one day he will become the next Mario of the gaming industry! One can only hope...