U.A. Traitor Arc

The Current Arc (currently unnamed) is the twenty-first story arc in My Hero Academia, and the third story arc in the Final Act Saga.

The pieces are in place and Class 1-A and the rest of the remaining Heroes are preparing for the final fight to take down All For One, Tomura Shigaraki, and the remnants of the League of Villains/Paranormal Liberation Front for good. However, things become complicated when the fabled "U.A. Traitor" suddenly emerges...

Story Impact

 * All Might reveals to Class 1-A that Star and Stripe's New Order Quirk has destroyed several of Tomura's Quirks after he stole it, giving them and the rest of the Heroes time to prepare.
 * The remaining threats to deal with include: Tomura, All For One, Dabi, Himiko Toga, the six Near High-End Nomu, the remnants of the Paranormal Liberation Front, and the remaining escaped convicts.
 * It is revealed that since the end of the War, the students of Class 1-A had continued their training with the Wild, Wild Pussycats to get stronger.
 * "Tomura" is forced back on standby to allow his damaged Quirk Factors to heal.
 * Tomura and All For One's minds continue to fuse together, sharing their feelings of hatred.
 * Himiko is revealed to have reunited with the League.
 * Dabi remains impatient, wanting to go after his father again, before being talked down by All For One.
 * All For One confirms that he has a mole within U.A.
 * Class 1-A continue their training.
 * Katsuki Bakugo has developed a new technique to make use of his Cluster move, saving up a bunch of sweat for a barrage of explosions, all while wearing his winter costume.
 * Shoto Todoroki has reached the point where control over his left side has caught up to his right, so now he's focusing on using both at the same time.
 * Gigantomachia is confirmed to still be tied up and unconscious.
 * The "U.A. Traitor" is revealed to be Yuga Aoyama.
 * He was born Quirkless, and with his parents both coming from wealthy backgrounds, they made a deal with All For One to give him his Navel Laser Quirk in a desperate move to grant their son a happy, successful life.
 * He possessed the Quirk for ten years, which was incompatible with his body.
 * Because of the deal, the Aoyamas were forced to comply with All For One's orders against their will, or else they would face dire consequences.
 * All For One told Yuga to enroll in U.A. after learning All Might would become a teacher.
 * He provided information aiding in isolating the class during the U.S.J. Incident, as well as providing the location of the Summer Training Camp.
 * His parents receive another order from All For One, for Yuga to isolate Izuku Midoriya away from everyone, tearfully apologizing to him to do it.
 * Toru Hagakure and Izuku overhear the Aoyamas discussion and confront him, as he tearfully confesses to the truth.
 * Izuku restrains Yuga and his parents before they can escape.
 * Toru's face is briefly revealed for the first time in the confrontation.
 * Class 1-A, the U.A. Staff, and the Police Force discover the truth about the Aoyamas, where they are put under interrogation.
 * The Aoyamas reveal All For One's threats of death were they to say anything to the Police.
 * Izuku extends his hand to Yuga, stating he knows he never had any villainous intentions, proclaiming he can still be a hero.
 * Class 1-A states their intentions of wanting to forgive Yuga for his actions so he can help them take down All For One.
 * Shota Aizawa sides with his class, coming up with a classified plan to make use of Yuga.
 * The Aoyamas are taken to Central Hospital for further study.
 * Izuku and Tenya Ida encounter Mei Hatsume again at the Development Studio to fix up their hero costumes.
 * The Support Course is revealed to be in charge of developing and maintaining the U.A. Barrier.
 * Mei is in charge of creating new inventions to assist in the case of mass evacuation.
 * Mei creates a new makeshift Gauntlet out of the remains of Izuku's Mid-Gauntlets and his Air Force Gloves.
 * The Class 1-A Search Squad assembles to track down the remnants of the Paranormal Liberation Front and League of Villains.
 * At the same time, a Counter-Force assembles at Central Hospital, consisting of All Might, Hawks, Ragdoll, Naomasa Tsukauchi, the Police Force, and Star and Stripe's American brothers-in-arms.
 * Their plan is to separate Tomura and All For One by at least 10 kilometers to prevent them from combining their power.
 * This also involves isolating each of the other members of the League and taking them out one by one, so that they will be unable to assist either.
 * Yuga is interrogated by Shota, where it's confirmed he does not possess an explosive trap like Lady Nagant had.
 * Shota theorizes only people All For One had contact with after his defeat from All Might could potentially have an explosive trap within.
 * Shota manages to convince Yuga to help them fight back, telling him not to let the guilt ruin the rest of his life.
 * Hitoshi Shinso's hero costume is revealed.

Characters Introduced
No new characters have been introduced this arc.

Quirks Introduced
No new Quirks have been introduced this arc.