In preparation for further Unknown attacks, ERDA continues to search for driver candidates for the Shinkalion E6 Komachi.

Meanwhile, Taisei and Ryota form a group with Akane for a class presentation, but quickly fall apart. Although Akane appears cool and confident at school, he has a certain problem.

Akane was injured due to being involved in an accident when the Unknown appeared, but after examination, it was found that he possesses high aptitude as a Shinkalion driver.

ERDA members hope to welcome him as the yet-to-be-discovered driver of the Shinkalion E6 Komachi, but Akane declines the invitation. Taisei and Ryota desperately call out to him to fight together, but...

Akane still can't match Taisei and Ryota's SRG Value. While he ponders the reason, Kakeru asks him to officially join the Track-and-field Club. Taisei and Ryota, who have been watching secretly, decide to send Akane off, but the Hades Shinkalion appears again. Ganma, Ten, and Shion, who happen to be present at ERDA, immediately fight back, but...