MHA x UMNV: The Void Between Heroes

MHA x UMNV: The Void Between Heroes

Season 1
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WpMetadataReadOngoing6h 19m
WpMetadataNoticeLast published Thu, Aug 6, 2026
WpInfo
Fanfic
My Hero Academia
Alternate Universe (AU)
Crossover
Original Character (OC)
In one society, children grow up dreaming of becoming heroes. Quirks shape careers, laws, rankings, and public expectations. U.A. High trains its students to protect civilians and become symbols people can trust. In another society, abilities are called Natures. Crystals, humans, hybrids, and dangerous creatures exist under fragile rules. Shinkai Academy prepares its students for missions, containment, and threats hidden from ordinary people. For now, both societies remain separate. Their students fight different battles. Their teachers follow different laws. Their enemies move across different paths. Soon, a single decision will connect both sides. U.A. and Shinkai will be forced into a union neither society fully understands. Quirks and Natures will exist under the same roof. Heroes will meet Guardians. Humans will train beside hybrids. Old rules will stop working. Some will see the union as progress. Others will see a threat. Trust will take time. Rivalries will grow. Every student will need to decide what being a hero means when two systems of justice collide. Two societies. Two forms of strength. One future they must face together.
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mhacrossover
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Marinette Afton, second-oldest of the infamous Afton family, grows up amidst tragedy and horror. She and her girlfriend Clair "Chloe" Bourgeois form the notorious "Tourmentors" with Michael, Mark, Fredric, and Simon-ruling their school with fear and pranks while hiding their queer identities in a society that forbids them. Death follows the family: Terrance 1973 Marinette and Clair are killed by Funtime Foxy in 1980, Elizabeth by Circus Baby in 1982, Evan by a deadly prank in '83,Clara (Mrs Afton) in 1985 either in a car crash or by the hands of William, and William by his own cruelty in 1986. Michael survives only to be scooped in 1990. By 1993, fire and animatronics blur life and death: Michael possesses Glamrock Freddy, Marinette possesses Roxy, and they rebuild the Afton legacy-owning all Fazbear properties, raising illusionary children, and discovering each other across the veil of death. The MLB class remains oblivious to the horrors behind the Afton empire.

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