Gran Turismo was a video game that defined a generation. While many learned about and coveted Nissan Skylines, Silvias, Toyota Chasers, Mitsubishi GTOs, FTOs and Mazda Cosmos, it was the Mazda Demio, Mitsubishi Mirage Cyborg-R, Nissan Pulsar GTi-R and tiny kei cars that caught my eye. Now that 25-year old kei cars are eligible to…