When Aoi learns of the fierce battle between Playmaker and the Knights of Hanoi, she is torn between her desire to fight as Blue Angel and her promise to her brother not to log into LINK VRAINS.
Because you think of Revolver 
as your younger brother.
Revolver, der für dich wie ein kleiner
Bruder ist, das zuzumuten …
¿No te importa lo que le pase
al que consideramos nuestro hermano?
Mesmo pensando no Revolver
 como um irmão menor.