Anan Kurose

No. 13 is a Hero in Boku no Hero Academia.

Appearance
No. 13 is a large man with his physical appearance unknown due to his hero costume covering his whole body. His hero costume consists of a space suit, a helmet, and boots.

Personality
No. 13 is a gentlemen that knows very well about the concept of how Quirks is an irrefutable part of their world and how it can be use for both saving and killing people. But he is very passionable on saying that Quirks were meant to save people.

Ultimate Space & Jams Arc
No. 13 makes his debut at the Ultimate Space and Jams, an area which he said he created that would allow all kinds of disasters and accidents to be simulated. Shouta asks where All Might is and No. 13 replies that he was doing his job as a hero and was told by him that he could not make it as he was taking a nap. Before the rescue trial could begin, No. 13 makes a speech about the dangers of Quirks being used to accidently kill people and how Quirks have been regulated and their requirements for usage strictly enfored by the society of superhumans humans. He tells the students to be wary of their Quirks and then tells them that their lesson will be about wielding their Quirks for the sake of human life. No. 13 ends his speech by saying he hopes that everyone will fully understand that their Quirks exist to help people at the end of the exercise and then thanks everyone for listening with Izuku, Ochako and Tenya applauding him. However, before the exercise could begin, villains show up, causing Shouta to command No. 13 to protect the students. No. 13 begins to lead the evacuation of the Yuuei students, but his attempt is stopped by Black Mist. When Eijirou and Katsuki try to attack Black Mist, No. 13 tells them to stop and run away instead. No. 13 then tells Tenya to dash back to Yuuei to inform the school of their troubled situation. After Tenya shows reluctance to do so (not wanting to abandon his classmates), No.13 encourages him to use his Quirk to save them. No. 13 fights Black Mist, but Black Mist's Quirk causes No. 13's Quirk to backfire on him, which causes No. 13 to start disintegrating, incapacitating him. After All Might defeats Noumu and the Heroes which Tenya called arrived, No. 13 is shown to still be alive and uses his Quirk to suck Black Mist and Shigaraki into a Black Hole, seemingly turning them to dust and ending the Villain's Alliance's attack on the U.S.J. No. 13 is revealed to be alive, having only suffered injuries to his arms and back and is in no danger of dying.

Quirk
"Black Hole": No. 13's Quirk creates a vortex that sucks anything in, and crushes anything into the dust that gets sucked in.

Battles
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Ultimate Space & Jams Arc
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 * Shouta Aizawa & No. 13 vs. Black Mist & Unknown Enemies: Lose

Trivia

 * No. 13 appeared on Chapter 13, Page 13.
 * According to the official twitter page, No. 13's prototype was named No. 6. His real name would be "Anakuro Hirooki" (穴黒央宙, literally "Black Hole" and "Middle Space").