Nakasu Taxi is a taxi company located in the Nakasu district of Fukuoka, Japan. The company was founded by Yotaro Nakajima during the 1990s after a car accident that left his wife in a coma ended his street-racing career, and he employed several reformed men like himself, including his former racing partner Yuzo Wada, former yakuza Kazuma Kiryu, and aspiring racer Koji Kiyokawa.