The once peaceful city-state of Lisvalletta has found itself beset by a dangerous new drug called Anthem. The side effects of the drug allow the user to enter a state of Overdrive, wherein they mutate into superpowered beasts with inhuman abilities. With the police powerless to stop this new threat, the responsibility falls upon the Special Crime Investigation Unit SEVEN-O. To offset the dangers of this work, the investigators work under the patented "Double Decker" system, which requires them to team up in "buddy cop" pairs. As a child, average police officer Kirill Vrubel fantasized about being a hero who would save his school from a random terrorist attack. His chance to be a hero arrives when his landlady blackmails him into searching for her lost cat. Upon arriving and falling asleep in an abandoned warehouse, Kirill finds himself in the middle of a hostage situation involving an Anthem user. By teaming up with SEVEN-O detective Douglas "Doug" Bilingam, Kirill earns his spot as the newest member of SEVEN-O. Now, with the help of this secret organization, he may finally achieve his dream of becoming a hero. [Written by MAL Rewrite]

Having stood out from others most of her life due to her exceptional character, Misato Kurihara has lived without neither the joy of having close friends nor the experience of having a regular life. However, after a sudden death, she was transported to a divine realm to be reincarnated—and granted one wish to top it off. Thinking about the ordinary life that she had always wanted, she wished to be born as a normal person, with abilities that are average for the world she will resurrect in. Reborn as Adele von Ascham—the daughter of a noble—she possesses magic powers completely exceeding what one would label average. Still desiring to carry out the life she wanted, she leaves her home and enrolls at a hunter school in a faraway kingdom using "Mile" as an alias. However, try as she might to hide her overpowering potential, attaining her goal will be difficult—especially when facing against the crazy situations that ensue! [Written by MAL Rewrite]

Shiina Aki is constantly being treated like a girl due to his feminine looks so he decides to move to Tokyo to attend middle school in an attempt to change himself. However, what awaits him in his new home, Sunohara-sou, is the kind-hearted caretaker, Sunohara Ayaka. Along with the three female members of Aki's new middle school's student council, Yukimoto Yuzu, Yamanashi Sumire, and Kazami Yuri. And so begins Aki's new life in Tokyo living with four girls.

New Show by Rock!! TV Series featuring the new band Mashumairesh!!.