Extra Stage - Act 1 follows the formidable racing group, the 'Emperor,' comprising Mitsubishi Lancer EVO drivers, as they target conquering Mount Usui and challenging the legendary Impact Blue duo, Mako Satou and Sayuki. Mako, in her Nissan SilEighty, struggles with distractions impacting her performance, prompting Sayuki to intervene. Will Mako overcome her hurdles before the pivotal race? In Extra Stage - Act 2, Sayuki attempts to enhance Mako's life by arranging a romance with Miyahara from the Myogi NightKids. Despite a promising start, Mako's past interferes, leading her to contemplate abandoning street racing for love. Caught between her passion for racing and a budding relationship, Mako faces a crucial decision.