No one was ever supposed to find out. But your cousin always was a tattletale.
Y/N's cousin betrayed him when she told Fairy Godmother his family's secret: Ursula cursed Ariel, causing the mermaid and Eric to give birth to a Siren. Aside from being able to go between human and merman at will, Y/N carries a deadly gift--a fatally beautiful singing voice, capable of entrancing (and endangering) anyone. Declared too dangerous by Auradon Prep faculty, Y/N is expelled and exiled to the Isle of the Lost.
Within, he discovers a powerful magic he shouldn't possess. Without, he discovers Harry Hook. A storm is rising over the sea, but will Y/N end it, or bring it to fruition?
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first person, male x male, dark themes, canon divergent, magic and mayhem galore