The story of this fourth installment takes place amidst signs of postwar reconstruction in the winter of 2028. Tensions are rising in New Port City as demonstrations are held concerning the interests of foreign cartels. This leads to a shooting incident involving riot police. It all started with a cyberbrain infection released by the terrorist "Fire Starter." An independent offensive unit led by Motoko Kusanagi entrusts the suppression of the situation to their ghosts and aims for their own justice. Below the surface of the incident, lies the "tin girl" Emma and the "scarecrow man" Burinda Junior. As Kusanagi deals with the incident, she draws near to what those two ghosts were seeking. (Source: ANN)

Ayumu Aikawa is a 16-year-old high school student who is tragically murdered while investigating a suspicious house. However, he soon awakens next to a strange armored girl called Eucliwood Hellscythe. She reveals herself to be a necromancer who has revived Ayumu, consequently turning him into a zombie! Now immortal, Ayumu sets out to hunt down his killer. One day, while searching in a cemetery, he encounters a boisterous young girl named Haruna, who is fighting a bear with a chainsaw while dressed as a magical girl. After she kills the beast, Haruna attempts to erase Ayumu's memories of her, but he instead absorbs her magic for himself. Stripped of her powers, Haruna now orders Ayumu to take up her role of hunting strange creatures known as "Megalo," monsters that roam the human world and terrorize the population. Kore wa Zombie Desu ka? follows the daily antics of the human-turned-zombie Ayumu as he begins his new, ludicrous life where the supernatural becomes the norm. [Written by MAL Rewrite]

Katsuhira Agata is a quiet and reserved teenage boy whose sense of pain has all but vanished. His friend, Chidori Takashiro, can only faintly remember the days before Katsuhira had undergone this profound change. Now, his muffled and complacent demeanor make Katsuhira a constant target for bullies, who exploit him for egregious sums of money. But their fists only just manage to make him blink, as even emotions are far from his grasp. However, one day Katsuhira, Chidori, and four other teenagers are abducted and forced to join the Kizuna System as official "Kiznaivers." Those taking part are connected through pain: if one member is injured, the others will feel an equal amount of agony. These individuals must become the lab rats and scapegoats of an incomplete system designed with world peace in mind. With their fates literally intertwined, the Kiznaivers must expose their true selves to each other, or risk failing much more than just the Kizuna System. [Written by MAL Rewrite]

A vengeful teru teru bozu-like monster called Miden is stealing all of the Cures' magical powers and memories, turning them into helpless infants, barring Nagisa Misumi and Hana Nono. They must help the affected Cures to regain their abilities and fight off this new menace.

(Source: Wikipedia)