Maiami Amuse Duel

Maiami Amuse Duel is a Underground Duel Arena located in Maiami City. When Reiji Akaba (manga) met Nico Smiley, Nico took him to the underground, where he witnessed Shun Kurosaki Dueling Ōtomo. After hearing about Shun from Nico and witnessing his skills, he decided to recruit him.