Princess Angelise Ikaruga Misurugi, living a charmed royal existence, faces a dramatic upheaval when she's exposed as a 'norma,' a societal outcast immune to mana's effects. Stripped of her privileges, she is conscripted into Arzenal, a military prison camp, where she pilots a transforming mecha to combat DRAGONs. Amidst prison life and female comradery, Angelise must navigate her newfound reality. Will her thirst for vengeance fuel her resilience, or will betrayal consume her spirit?