Spoilers for My Hero Academia Season 7, Episodes 3 and 4: The U.A. traitor is Yuga Aoyama. Season 7, Episode 3, “Villain” (anime episode 141), sets up the discovery; the following episode confirms Aoyama’s identity and explains that All For One had control over him and his parents.
What happens in Season 7, Episode 3?
“Villain” opens in the aftermath of Star and Stripe’s battle with Shigaraki. Her final New Order rule leaves him suffering and stripped of many Quirks. All For One says he has several routes toward his goal, then contacts someone as part of his next move to take One For All from Deku.
Meanwhile, Deku, Bakugo and their classmates are training at U.A. A student goes missing, turning the school’s long-running insider mystery into the episode’s cliffhanger. The episode raises the question of who has been giving information to the villains; its immediate follow-up supplies the explicit answer and fuller explanation.
Who is the U.A. traitor?
It is Yuga Aoyama. The official synopsis for episode 142, “The Story of How We All Became Heroes,” confirms that Aoyama reported U.A.’s movements to All For One. It also explains that All For One gave Aoyama his Quirk when he was a child and that Aoyama and his parents obeyed him. The account therefore frames Aoyama’s betrayal in the context of coercion and his parents’ vulnerability, not simple loyalty to the villains.
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How the reveal unfolds across the two episodes
| Episode | Role in the reveal | What the official synopsis establishes |
|---|---|---|
| Episode 141, “Villain” (Season 7, Episode 3) | Discovery and confrontation setup | The missing student brings the insider mystery to a head. |
| Episode 142 (Season 7, Episode 4) | Identity, backstory and response | Aoyama passed information to All For One; All For One supplied his Quirk and controlled him and his parents. Deku tells Aoyama he can still become a hero and proposes using Aoyama’s position to deceive All For One. |
This distinction matters if you are looking for the exact point of confirmation: Episode 3 is the reveal’s discovery-and-confrontation chapter, while Episode 4 spells out the circumstances and what Deku intends to do next.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Episode details and content advice
- Title and numbering: “Villain” (敵＜ヴィラン＞), anime episode 141 and Season 7, Episode 3 in common English platform numbering.
- Original broadcast: May 18, 2024, according to the official Japanese episode page, which credits Yōsuke Kuroda with the script and Tomo Ōkubo with direction.
- Runtime listings: The BBFC record lists 23 minutes 50 seconds; Apple TV lists 22 minutes. These are catalogue runtimes from different sources, so use the attributed figure rather than treating them as identical.
- Content classification: The BBFC record describes moderate bloody images, fantastical energy-blast and hand-to-hand combat, threat and very mild language. Classification guidance can differ by territory.
Apple TV’s listing identifies the episode as Season 7, Episode 3 and confirms a catalogue entry, but that does not establish current streaming availability in every region.
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