Wataru gains the assistance of a violin maker in trying to create an instrument that fits who he is while in 1986, Yuri and Otoya try to decipher the curse of a violin and a monster attacking those who possess it. In both the present and the past, talk of the IXA System leads to the appearance of another Rider on the battlefield…

As Wataru learns of Oomura’s promise from 22 years ago and his history with Wataru’s father, back in 1986, Otoya confronts Jiro about the monstrous transformation he witnessed but while following him and Yuri, he ends up face to face with Oomura as the men discuss the craftsmanship of their violins…