Dreaming of a magical world every night, the young Toramizu Ginta yearns to be able to go there. With only his friend Koyuki believing in his dreams, Ginta remains positive despite the slander he receives from others over his dreams. But his wishes are answered, as one day a large door appears in front of Ginta, summoning him to the land of MAR Heaven. In this land, the weapons known as ARMS exist. While initially Ginta greatly enjoyed the discovery of this magical world, he soon learns of the terrible wars that have once plagued MAR Heaven and the upcoming war that may soon appear.

Winning the legendary characters "Kite" and "Black Rose" from an event held by the creators of the MMORPG "The World," Shugo and his twin sister Rena steps into "The World." Together they completed events and quests, along with their new friends Ouka, Mirelle, Hotaru, and Sanjuro. Soon after, mysterious monsters appeared, and death by these monsters caused players to slip into a coma in the real world. Only Shugo and Rena can solve this problem, but why are they being targeted, and what secrets is the game hiding? [Written by MAL Rewrite]

Ryoka is awakened by flurry of text messages from her mother! Panicked and rushed, Mom is clearly concerned for Ryoka's safety, but she is not too keen on letting her daughter know why. Her reasoning being that nothing could really properly describe what is happening! The world might be ending! And there might be a massive new life-form on the roof of their apartment building! (Source: Denpa)

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)