The Gundam Fighter choosen by Neo China, Sai Saici was part of a famous family of Martial Artists that once won the Gundam Fight several years ago. Now he wishes to bring back his temple's name, and win the 13th Gundam Fight. He's kinda childish but loves to cook.

After the Shuffle Alliance was defeated by the Devil (Dark) Gundam, he was given the title of Ace Of Clubs. Now he teams up with Domon in order to defeat the Devil (Dark) Gundam.