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...
Sena-kun, even if there's an extra charge 
for cleaning private spaces...
سينا-كُن، حتّى وإن كانت هنالك مصاريف
...إضافيّة لتنظيف الأماكن الخاصّة
Sena-kun, ich weiß ja, dass die Reinigung
der persönlichen Büros extra berechnet werden …
Sena-kun, aunque haya un cargo extra
por limpieza en interiores…
Sena-kun, aunque haya un cargo extra
por limpieza en interiores…
Sena, je t’aurais payé plus 
pour nettoyer la pièce…
Sena-kun, anche se c'è una tariffa supplementare
per la pulizia degli spazi privati...
Sena-kun, mesmo que tenha recursos
 para limpar espaços particulares...