Season 1

The night of the crimson full moon. The full moon of Konichi, who had been living a normal high school life, is caught up in the battle to become the only magician in the world at the school where he returned to get his…

As dawn breaks, Mangetsu awakens in Shingetsu's apartment. On her way back home, Shingetsu tells her more about mages and GRANBELM. Determining that Mangetsu has no intention of fighting, Shingetsu prepares to erase her…

Mangetsu meets Anna at school in a chance encounter, and Anna tells her that Shingetsu ruined her family. During lunch the next day, Mangetsu tells Shingetsu that she wants to participate in GRANBELM. Shingetsu offers t…

Mangetsu experiences her second GRANBELM. As the battle grows more intense with all the girls' emotions running high, Mangetsu and Shingetsu struggle against Nene's ARMANOX, JI GUAN LONG. But all along, another mech is …

Nene reveals her identity to Mangetsu and Shingetsu, vowing to fight them fair and square. Then, on the next full moon, Mangetsu and Kuon face off against JI GUAN LONG together according to a plan they devised before th…

After getting a glimpse of Nene's past, Mangetsu realizes what it means to fight in GRANBELM, but at the same time finds herself with even more questions about it. Still, now she knows that every participant has her own…

Shingetsu learns that Anna's mother was attacked and hurries to visit her at the hospital. She then makes up her mind to find Anna, who has gone missing, and defeat her once and for all. When the full moon rises, the ne…

Mangetsu and Kuon are overwhelmed by Suishou's unsettling aura as they fight her, barely managing to hold out until the end of the battle. Mangetsu awakens back at Shingetsu's house, then sets out to visit Nene after re…

While Nene is investigating abnormal magic signals, she realizes that Mangetsu lies at the center of the astronomically high readings. Meanwhile, as Kuon is thinking about her older sister Shisui, who has long been asle…

Mangetsu and Shingetsu have been expertly played by Suishou, leaving them unable to fight her effectively. Kuon tries to get them to leave the area and sets up a powerful attack aimed at Suishou, but a moment's inattent…

Mangetsu, who has become uncertain of her own existence, runs into Kuon's older sister, Shisui. As she talks with Shisui, Mangetsu feels moved to send a message to Shingetsu. Meanwhile, Shingetsu is convinced that Mange…

Shingetsu heads into the final battle with Mangetsu's feelings held within her heart. Suishou is fighting to prove that no human is worthy of becoming the one true mage, while Shingetsu and Mangetsu are fighting to rid …

GRANBELM is finally down to two participants. Their mechs surpass their own limits, but eventually they can no longer withstand the impact sustained during the battle, and their functions begin to fail. When Shingetsu's…