Koji Fujibayashi

Koji Fujibayashi (藤林耕史 Fujibayashi Koji) is a main character of 48 Days. His epithet is "Bullettrain". Koji's speciality is Riding Duels, with his riding skills being comparable even to those of professional riders.

Deck
Koji runs a Sonic Fusion Deck, which makes high-speed plays during the opponent's turn. His Main Deck monsters are based on the fastest animals in the world, while his Extra Deck monsters are based on the fastest machines.