Reino de Quartz, 3

Blue, who longs to become the sword of her beloved Prince Cassian, gains admission to the Helios Military Academy for angels, where she trains alongside new comrades, fueled by her inner light and unwavering determination. However, the terrifying power hidden within her small body erupts, gravely injuring her friend Tannith. Blue is then placed under the Church's control by order of the King of Quartz and condemned to death. It seems even the prince may not be able to save her.