Age: Around 17–18 years old (high school senior). Appearance: A stocky Black teen with cornrows, casual streetwear, flashy accessories, and a confident, stylish look. Personality: Outgoing, funny, smooth-talking, and resourceful. He's a skilled hustler with lots of connections and quickly befriends newcomers.

Age: 17 years old. Appearance: Tall, lean, with shaggy dirty-blond hair, blue eyes, and a casual style of T-shirts, hoodies, jeans, and sneakers. Personality: Rebellious, determined, fearless, and independent. Though impulsive and hot-headed at first, he matures into a loyal, respectful, and skilled street racer.

Age: Around 30 years old. Appearance: Lean build, medium-length black hair, usually dressed in stylish casual streetwear with a calm, relaxed demeanor. Personality: Cool, observant, intelligent, and laid-back. Han rarely loses his composure, prefers to think before acting, and serves as a wise mentor to Sean.

Age: Around 17–18 years old. Appearance: A stylish Japanese teenager with long dark hair, trendy 2000s street fashion, and a confident, fashionable look. Personality: Friendly, sociable, and curious. She enjoys Tokyo's car and nightlife scene and is generally laid-back and supportive of her friends.

Age: Around 17–18 years old, a high school student living in Tokyo. Appearance: An Australian-Japanese girl with long dark brown hair, brown eyes, and a stylish 2000s street-fashion look, often wearing trendy, feminine outfits. Personality: Calm, confident, independent, and kind. She has a rebellious streak but is loyal to the people she cares about and isn't easily intimidated.

Age: Around 20–22 years old. Appearance: A young Japanese man with short black hair, a lean build, and trendy 2006 streetwear that reflects Tokyo's car scene. Personality: Cocky, loyal to DK's crew, and quick to intimidate others. He enjoys showing off and acts confidently, though he's more of a follower than a leader.

Age: Around 24–26 years old. Appearance: A tall, well-groomed Japanese man with short black hair, sharp features, and a stylish wardrobe, often wearing fashionable streetwear or tailored outfits. Personality: Calm, intimidating, and prideful. DK is confident and controlling, expecting loyalty and respect while becoming ruthless when challenged.