It has been 800 years since the battle gods "Idaten", who boast overwhelming speed and strength, contained the "demons" who led the world to ruin after a fierce battle. "That battle" is now just an old tale in a distant myth. While the "peaceful generation of the gods," who have never fought since they were born, are out of peace, someone has revived the demons from a long sleep! Bring armed forces, wisdom, politics, conspiracy, whatever you can use! No-rule & no-limit three-way battle royale is about to begin!!! (Source: MAL News)

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]

In a city which should be familiar, there is the feeling of something a little different. Odokawa is a taxi driver who lives an ordinary life, taxing some quirky customers around. A slightly eccentric stranger who has no relatives nor any relations with other people, Odokawa's hobby is to listen to Rakugo on the radio before going to bed. For the time being, the only people he can consider as friends are his family doctor Gouriki, and his high school classmate Kakihana. Kabasawa, a college student who wants a buzz, Shirakawa, a nurse who's hiding something, comedian group Homo Sapiens, who isn't selling well, the city hoodlum Dobu, and the rookie idol group Mystery Kiss—the conversations with these people, which should not have meant much, lead to a girl who disappeared. (Source: MAL News)

Yuuki Oojima is a member of his high school's Food Research Club, whose main activity is eating snacks bought with funds allocated to them by the school. However, this peaceful and wasteful lifestyle is under threat as the upcoming student election draws near. Satsuki Shinonome, a major candidate and the head of the department of financial affairs, campaigns on a platform that includes disbanding meritless clubs such as the Food Research Club and redirecting their budgets to proper ones. Understandably, the Food Research Club is in an uproar over this development, with president Chisato Sumiyoshi vowing to preserve it. But what can they even do to stop the highly competent and popular Satsuki from getting elected? [Written by MAL Rewrite]