Aura, who was completely corrupted, begins her onslaught throughout the network and begins to real digitise all humanity as a form of her twisted love for The World. Hoping to return Aura to normal, Tokio and all the revived Twilight Knights confronts Aura and uses the vaccines program that Saika has created to restore her. Unfortunately, the vaccine isn't enough to destroy the virus inside Aura, and one by one Tokio's friend was defeated. To save everyone, AIKA sacrifices herself to restore Aura's data and disappears. After the incident, Saika suddenly disappears, prompting Tokio to ask Flügel for help to locate her and finds her at a hospital where she is tending Jyotaro. Saika reveals her guilt for involving Tokio and blames herself for AIKA's death so she tries her best to just forget everything that happens and hopes for Tokio to do the same. Tokio refuses and convinces Saika that everything that happened are too meaningful and precious to be forgotten, telling her there's no need for her to bear the sadness alone. Tokio and Saika reaffirms their friendship, both determines to overcome their sadness over AIKA's death.