Seira realizes Regis is in danger and rushes to help him. Raizel and Frankenstein suspect that Tashiro and Kase might be in trouble as well, so they follow Seira. M-21 comes up with a plan to sacrifice himself to save all of them, and Regis confronts the danger by his side. The battle against DA-5 has begun! But they're up against the Union's state-of-the-art special forces team, an opponent that won't go down easily...

Seira escapes the Room of Discipline to save Gejutel, but is forced to fight Rozaria, and Regis also heads for the castle to save Gejutel but is stopped by Karias. M-21, Tao, and Takio work together to hold off Rael so that Raizel and Franken can get to the Sanctuary. Fierce battles are breaking out everywhere in response to Raskreia's final decision to force Gejutel into eternal sleep...