Gushing over Magical Girls

Utena Hiiragi lives in a town protected by the magical girls group Tres Magia. Like many others, Utena admires these girls, who fight for justice. A mysterious mascot character appears and offers Utena a chance to become a magical girl herself, which she accepts. However, it turns out she's been recruited to fight Tres Magia, the very girls she idolized. Utena's feelings shift from admiration to sadistic pleasure when she's forced to battle Tres Magia. She eventually gives in to her darker desires, embracing her role as a villain.