Underground Masquerade Arc

The Underground Masquerade Arc is the eighth story arc in My Hero Academia: Vigilantes.

As the aftermath of Bee☆Pop's performance are being dealt with, Tanuma ponders about a past case with O'Clock. The Underground Masquerade, home of Underground Fighters and the usage of Trigger.

Story Impact

 * We learn more information about several characters' pasts, 7 years prior to Bee☆Pop's Final Performance:
 * Detective Tanuma and Iwao Oguro, as Pro Hero O'Clock, used to work together on several cases.
 * Kendo Rappa used to be a pit fighter for the Underground Masquerade known as "The Rapper".
 * One of his contestants was against O'Clock, under the alias of "The Ripper", while undercover to expose the Masquerade's usage of illegal Quirk-based drugs.
 * In middle school, a young Rumi Usagiyama went around crashed various fight clubs as the legendary schoolgirl hooligan "Usako", until she was expelled.
 * She is currently attending a Hero School in Hiroshima, and crashes the Masquerade looking for a fight, using the codename "Tiger Bunny".
 * It is revealed the being behind the Masquerade's operation is All For One, alongside his assistant Kurogiri, with the purpose of finding and stealing any useful Quirks.
 * He utilizes the Trigger drug to incite chaos and better identify peoples' abilities.
 * They dispatch a pre-High End Hood to halt O'Clock from escaping.
 * All Might continues his role as the "Symbol of Peace"
 * He is revealed to still possess a "true form" he transforms into when off call, albeit non-skeletal
 * Sir Nighteye effortlessly advises him and handles all his paperwork
 * The All Might Emergency Paging System alerts him to provide his assistance in taking down Hood.

Characters Introduced

 * Drunk Lee
 * Master Beast
 * The Rapper
 * Hooded Man
 * Kurogiri

Quirks Introduced

 * Dragon Breath: Drunk Lee's Quirk which allows him to breathe fire.