A drug known as ‘Refrain’ is rampant on the street and being pushed on the Japanese citizens. The Black Knights become involved, and Kallen’s biological mother turns out to be a victim of the drug.
It's been over two weeks since Zero
announced the existence of the Black Knights,
Seit zwei Wochen weiß man nun
um Zeros Schwarze Ritter.
Quinze jours après l’apparition
des Chevaliers Noirs,