After Ina regains consciousness, ERDA interrogates her.

Takanawa speculates that whoever retrieved the "Phantom Shinkalion" was the one who brainwashed Ina.

Meanwhile, at Shinkai Academy, Taisei and the others are shocked to hear that the Railway Club may be disbanded.

Just then, Takanawa receives the notification that a candidate for the driver of the "Shinkalion E8 Tsubasa" has been found.

While Akane, whose SRG Value ​​does not match, is filled with guilt, Taisei and Ryota are also worried about Akane, who has been going to the Track-and-field Club more often.

Furthermore, when they hear Akane say that he is leaning more towards track and field, the relationship between the three becomes strained.

Meanwhile, a mysterious enemy suddenly appears - "Hades Shinkalion". Taisei and his friends are forced to struggle against its overwhelming strength, and try out the Three Car Combination as their last hope...

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...

When Taisei and his friends arrive at Kokura Station in Kyushu, they are greeted by Tsukumo Umikaze, the driver of Shinkalion N700S Kamome. Taisei and his friends immediately begin simulation training. However, during the training, Tsukumo's Vehicle Combination fails.

The cause is not Tsukumo, but the new operators Katsuki and Adachi. Ochiai from the Ōmiya Command Office is appointed to be in charge of training these two.

Tsukumo, Taisei and others board a high-speed boat in order to send Kai and Suzu to their hometown, Iojima.

While confronting the Unknown that suddenly appears, Shinkalion N700S Kamome successfully Vehicle Combines with the ERDA Ferry, but is forced to struggle in the battle at sea. When Taisei and his friends ask Tsukumo why, it seems that he is traumatized by the sea.

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We don't have an overview translated in English. Help us expand our database by adding one.

We don't have an overview translated in English. Help us expand our database by adding one.