Humanity organises a fighting team to defend themselves from invaders from another world, but one of the riders who has been selected is saddled with a serious problem.
New instructor, Akira, assumes her post and the Scar-red Riders' leader, Takt, finds it difficult to trust her. A state of uneasiness occurs between Takt and Yosuke.
Hiro seems to be on the mend after the battle, physically at least. It soon grows apparent that some mental wounds remain. Meanwhile, Akira tries to get the Riders to focus on teamwork.
The group visit the seaside town of Shonan, to shoot a promotional video for the Scar-red Riders. Away from the usual fighting, Kazuki takes the opportunity to write a song.
Hijiri, a flirtatious transfer student, makes sport of the other Riders. Meanwhile, Kazuki fights an enemy with unusual motives.
Autumn has begun and Ryukyu LAG gets caught up in the excitement of the school festival. The Riders rehearse for their first live concert and work hard to promote it.
Ayaka Shimizu
Akira Asagi
Tatsuhisa Suzuki
Yousuke Christoph Komae
Takashi Kondou
Yuuji Tsuga
Mamoru Miyano
Takuto Kirisawa
Hiro Shimono
Hiro Kurama
