Hanabi Iwase is a japanese girl who loved street racing, particularly racing others in the mountains, she earned the title of "Dark Heart" due to her black R33 skyline that she bacame infamous with, particularly being one of the fastest in her area's in saitama, and one of the best uphill contenders on her joined team, the infamous "Iron Generals" composed of only the best drivers in the region of Saitama, Hanabi is #3 out of the 7 in the entire team overall proving her expertise and skill.