Voir Accel World, Season 1, Vol. 1 - Episode 11

During their hunt for Chrome Disaster, the Nega Nebulous is ambushed by the Yellow Legion led by Yellow Radio, a.k.a. the Yellow King. Yellow Radio takes advantage of the non-aggression pact shared between the other kings to justify his act of revenge against Scarlet Rain, and even manages to neutralize Black Lotus by reminding her of the past sin she has committed.