Kuroki wants badly to rehabilitate Mythos, the young boy caught up in the Logos incident.  When an unmanned bike starts making strange appearances on the roads of Tokyo, he sees his chance to allow Mythos to contribute to society by solving the mystery.  The bike appears and disappears without causing any harm or hurting anyone.  But Mythos thinks that instead of a bored thrill-seeker, the culprit might be a more dangerous foe...
The Records of Doryuugou
اسطوانات دوريوغو
Die Abenteuer Doryuugous
Eh, quería disculparme por lo de ayer.
Eh, quería disculparme por lo de ayer.
Tiens, c’est pour te remercier 
de l’autre fois…
La storia di Doryuugou
Registros de Doryuugou