Long ago, magic was abundant and enriched the lives of all people until its usage in war. To end the chaos, seven of the most powerful mages gave up their lives in order to seal all magic. Now, almost one thousand years later, their magic seal Magiaconatus hosts Granbelm, a monthly series of battles meant to determine who among its participants is worthy of the title of Princeps, the one true mage. On the night of a full moon, high school student Mangetsu Kohinata is suddenly transported to an illusionary world where six mages are participating in Granbelm. Mistaken for an enemy mage, Mangetsu is attacked by two mages until she is rescued by Shingetsu Ernesta Fukami and her Armanox Viola Katze. However, when Shingetsu is ambushed for protecting her, Magiaconatus grants Mangetsu the Armanox White Lily, allowing her to fight off Shingetsu's assailant. Overwhelmed by the revelations presented to her, Mangetsu decides to help her new friend fight in Granbelm and make her wish come true. [Written by MAL Rewrite]

A normal high school boy Kisaragi Ryuji's peaceful life is turned into an adventure by the return of his second cousin Eriko. Ryuji and Eriko seize a relic box from a black broker. In the box, they find a red dragon girl Rose. In order to protect Rose from the black organization, Ryuji decides to fight using his power as a relic handler.

Sequel to the first series.

Life seems to drift by for Kana Koumoto and her friends in their small Japanese town. Every day is just like the last, and it feels like every new day will be the same. Kana goes to school, hangs out with her friends, and likes to paint her nails and listen to music, but it feels like nothing special is ever going to happen. As a change of pace, Kana and her friends decide to design a bottle rocket and launch it into space, even though it might not get there at all. However, just when the rocket is completed, a robot suddenly crashes into and destroys it, shortly followed by a pink-haired woman claiming to be a "Galactic Investigator." Kana's life quickly becomes more exciting than she ever imagined, dealing with new feelings, changing friends, and even boy troubles. It turns out life can go by in the blink of an eye, fast enough to even miss it, so what's with these weird robots that seem to show up at the worst times?! [Written by MAL Rewrite]