Ep. 16: Foreign forces breach the academy, threatening Rihito's surgery and forcing the class to fight for survival.
Murdoch prevents interference with Rihito's surgery while Doan takes Sonohara's star to protect her. Murdoch challenges Sonohara's reliance on Rihito but provides a star. Lynn confesses her love for Licht. Hina plans to allow Rihito to become Licht without developing his Schmelman personality, ensuring Alcia's creation. Pele nearly admits his feelings for Lynn before a foreign nation attacks the academy, violating the Althing war ban. Doan and Murdoch rescue students from the slaughter. Firenda discovers four foreign ballots enabled the war vote. As electricity fails, endangering Rihito's life, the class fights to reach the emergency generator. Many are injured or killed, and Alan receives a facial scar saving them. Rihito's hair turns white as he nears death, while Hina is captured and calls for Licht.
Episodes
- Ep. 12 · Rihito and Murdoch face military academy trials and learn about Althing
- Ep. 13 · Schmelman’s Star System Forces Students to Steal or Face Expulsion
- Ep. 14 · Academy spies on baths while Murdoch uncovers Schmelman's secret genetic warfare plans
- Ep. 15 · Murdoch confronts Alan while Schmelman initiates secret human testing on Rihito.
- Ep. 16 · Foreign forces breach the academy, threatening Rihito's surgery and forcing the class to fight for survival.
- Ep. 17 · Rihito accepts his dark path after surviving Murdoch and facing a commander's deception.
- Ep. 18 · Licht slaughters enemies during the Waste War while Schmelman creates the floating utopia of Alcia.
- Ep. 19 · Licht reveals his past with Tsukina Farrow after viewing Nana's memories
- Ep. 20 · Licht reveals past secrets and departs to fight the army while facing Doan's gravity powers.