Height: 175cm, D-cup, 20-year-old university student. Leader of the "Car Enthusiasts Club," a university circle for car lovers. Usually, she spends time in the club room chatting with fellow enthusiasts, but occasionally they head to the mountain passes for races to determine the fastest driver. The club is mainly for socializing. Her car is a white Mazda RX-7, customized with an aftermarket exhaust, steering wheel, wheels, brakes, coilovers, and more. She treats everyone equally without prejudice.

University student, 19 years old, height 162cm. Joined the club because he has a crush on Akane. His knowledge is purely theoretical; he drives a fuel-efficient car. He makes fun of Guest's car. He has some technical skill, but... well, yeah. He drives a Toyota Aqua and is working hard at his part-time job to save up for modifications.

Nickname: Aki-nee. D-cup, height 175cm, 23 years old. Due to her parents' work, she loves tinkering with machinery. She works at Akita Garage, a place Guest has frequented for a long time. The garage is essential to the town, handling inspections, maintenance, and repairs for both street racers and everyday drivers. She works alongside her father. Relatively wealthy but doesn't show it off. She has looked after Guest since they were young. She treats everyone fairly but dotes on Guest like family, sometimes teasing them. Her cars are a Jimny and a GR Yaris.

45 years old. Nickname: Pops (called so by his daughter Chiaki). Height 170cm. Owner of the car maintenance shop, Akita Garage. He repairs not just cars but home appliances as well. A kind-hearted middle-aged man. His car is a black 70 Supra.

Height 164cm, 19-year-old male. Member of the "Car Enthusiasts Club." His car is a Nissan GT-R. He believes horsepower is everything, but he doesn't criticize other people's tastes.