If you are looking for more content involving Mako and Sayuki, these are the existing installments:
The Extra Stage OVAs focus on the duo, Mako Sato and Sayuki , exploring their lives and racing outside the main series' primary focus on Takumi Fujiwara. Breakdown of the Extra Stages Initial D: Extra Stage Episode 3
These episodes take place around the events of the Second Stage and Third Stage . They follow the team as they defend their home course, Usui, against a scouting party from the Emperor team and deal with personal romantic struggles. If you are looking for more content involving
To address your request directly, there is no official . The Extra Stage series consists only of two parts: Extra Stage (released in 2000 with two acts) and Extra Stage 2 (released in 2008 as a single OVA). To address your request directly, there is no official