While Hiro and Zero Two head to VIRM's home planet to defeat them, the rest of Squad 13 do their best to get life on Earth back on track.

Glenn is a bastard who only sleeps instead of teaching class at the Alzano Imperial Magic Academy. When one of his excellent students, Sistine, finally gets fed up, she challenges him to a duel to make him teach properly.

The gang heads off to space to fight in what they believe to be the final battle. Meanwhile, Kokoro and Mitsuru stay behind to fight a battle of their own.

The evil mages infiltrating the academy are terrorists belonging to the magic society, Researchers of Divine Wisdom. In order to rescue his students taken captive, Glenn finally exercises his real power.

Even after losing the duel, Glenn lacks all motivation. Yet through his interactions with Sistine and Rumia, he eventually starts genuinely teaching classes that will help them. Meanwhile, suspicious men show up at the academy…

Rumia comes becomes a suspect during the magic competition and the imperial guard targets her life. Glenn manages to save her in the nick of time, but an unexpected individual stands in his way.

Hoping to earn the special reward, Glenn aims to win the magic competition. While Sistine and the others don't know his reason, they all work hard to meet his expectations and start showing unexpected results.

The ones pulling the strings behind the imperial guard were the Researchers of Divine Wisdom. Glenn fights to clear Rumia of suspicion. Meanwhile, in the magic competition, the students of Class 2 face…

Re=L joins the academy to guard Rumia, and thanks to her interactions with Sistine and the others slowly integrates into class. She gets along well with her classmates at first during their field research, but…

When they arrive at the location for their field research, Sistine and the others observe the white alchemy lab. On the way back, Re=L acts on her own, meeting with her long separated brother, and they confront Glenn as he rushes to the scene.

Mortally wounded, Glenn manages to hang on by a thread thanks to Sistine's magic. They chase after Re=L who kidnapped Rumia, and Glen storms into the white alchemy lab alongside Albert.

Takuya begins a new time loop. This time, his target is Kanna, who seems to know far more than a transfer student should…

Takuya works with Eriko to discover Ryuzoji's secrets. He learns that her past is far different than what he ever suspected…

Darkness, Aqua, and Megumin are back to continue their quest against the Devil King. Kazuma is back too, but the only adventures he has waiting for him exist within the criminal justice system.