Wirhelmina comes to Misaki City seeking the Midnight Lost Child. She warns Shana that the Bal Masque wants the Mystes for themselves. When Wirhelmina notices a change in Shana, the cold guardian insists that the Mystes be destroyed.
While searching for a Treasure Tool Friagne left behind in the wake of his defeat, Yuji accidentally uses it on Shana! They scramble to fix the inconvenient effects, but it gets harder to hide with each friend they run into!
Shana struggles with her duty as a Flame Haze and her feelings for Yuji, but manages to convince Wirhelmina to spare his life--for now. When the Bal Masque charges up for their next move, Shana risks her life to keep Yuji alive.
Shana and Wirhelmina charge the Bal Masque's floating palace. A spell inside drains their power, forcing them to fight countless Rinne robots barehanded. While Yuji's memories continue to flow into Hecate, a sudden spark of realization hits him.
Shana faces the Master of Thrones, who begins to destroy the city in her rage of defeat. Alistor and Shana must sacrifice themselves in order to stop her. Come what may, Yuji accepts his fate by Shana's side.
Shana continues to investigate the events of Junko's last days to find the Denizen who devoured her. The fiery warrior backtracks a date with Junko's boyfriend to uncover a suspicious shutterbug--and works to snuff him for good.
Now an official Flame Haze, Shana fights for her life to retrieve the sword meant for her title. Her intense training pays off, but her hardest lessons are far from over.
Everything is going according to the Bal Masque's plan. Shana must decide for herself whether to somehow save Yuji or assist Wirhelmina to destroy the Mystes and lose him forever.