When Tomo Yamanobe's father—the former headmaster of Saint Mikhailov Academy—disappeared, he left nothing behind except for a piece of art called the "icon." Soon after his disappearance, rumors of a serial killer attacking female students of the academy began to spread. As Tomo and her sister Mafuyu Oribe head home after being tormented at school, Tomo trips over an injured silver-haired boy who abruptly vanishes while being tended to. Mafuyu goes to look for him, only to discover that the church holding the icon is burning down. When she tries to save the painting, the rumored serial killer suddenly attacks her with a mysterious ability to control magnesium. Appearing out of nowhere, the silver-haired boy, who can control iron, rescues Mafuyu. Mafuyu finds out that the boy, named Alexander Nikolaevich "Sasha" Hell, is a "qwaser"—a being who is capable of controlling an element through the power of "soma," received through the act of breastfeeding. Confused by the ordeal, Mafuyu attempts to move past it with little luck, as Sasha transfers to her class the next day. What will become of Tomo and Mafuyu's normal school life with the danger of other qwasers looming close to them? [Written by MAL Rewrite]

Sasha is partnered with Hana as his new Maria. They infiltrate an all-girls academy, forcing Sasha to crossdress, in search of a Qwaser-related artifact called the Magdalena of Thunder which has appeared in one of the students. However, they have some competition in their search of it. (Source: ANN)

Yuuki Aito is a perverted manga artist who appreciates panties, wishing to draw as many as he can. Being surrounded by numerous female assistants, he is constantly asking to use them as references for the manga he draws. Although Aito has an extremely degenerate mind, he can also be a very kind, generous, and helpful person. The duality of his behavior confuses his assistants—do they love the considerate side of him that he rarely displays, or do they hate him for the perverted thoughts he has most of the time? [Written by MAL Rewrite]

Louise Françoise Le Blanc de La Vallière is a self-absorbed mage in a world of wands, cloaks, and royalty. Although she studies at Tristain Academy, a prestigious school for magicians, she has a major problem: Louise is unable to cast magic properly, earning her the nickname of "Louise the Zero" from her classmates. When the first year students are required to perform a summoning ritual, Louise's summoning results in a catastrophic explosion! Everyone deems this to be yet another failure, but when the smoke clears, a boy named Saito Hiraga appears. Now Louise's familiar, Saito is treated as a slave, forced to clean her clothes and eat off the ground. But when an unfamiliar brand is found etched on Saito's hand from the summoning ritual, it is believed to be the mark of a powerful familiar named Gandalfr. Wild, adventurous, and explosive, Zero no Tsukaima follows Saito as he comes to terms with his new life and as Louise proves that there is more to her than her nickname suggests. [Written by MAL Rewrite]