Prince Serren/Princess Serennina

Prince Serren serves as the protagonist of The Shattered Isles trilogy. As the oldest male heir, Serren stands to become King of The Shattered Isles, though his older sister, Pattenia, believes she would make the better ruler. Aided by the rising power of The Goddess, Pattenia transforms Serren into a girl, and seizes the crown for herself. In order to legitimize her claims, she orders Serren forever more be referred to as Princess Serennina, and forces him into a girl's life of corset and dresses.

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Brother Bewitched