In the year 1923, a vampire crisis takes Tokyo by storm. Provoked by the illegal trade of Ascra, an artificial blood source, the population of vampires begins to rapidly increase within the city. Under orders from Lieutenant General Sounosuke Nakajima, the Special Forces Unit 16 gathers vampires within the military to create a new undercover vampire-hunting unit known as Code Zero. Leading the unit is Colonel Yoshinobu Maeda. Responsible for locating the source of the Ascra trade as well as capturing and killing vampires, he is pressured into producing fruitful results amidst the growing criticism that threatens to decommission the unit. To make matters worse, the vampires within the unit are struggling to grasp their newfound powers and identities now that they are no longer human. With the world at odds against them, the members of Code Zero must find a way to curb the crisis or otherwise fall victim to their own demonic natures.

Several months after a probe returning from Mars burns up during reentry, strange creatures dubbed Ancients begin to appear throughout Tokyo. Aggressive and dangerous, they cannot be killed with ordinary weapons. As scientists struggle to find the cause of their sudden appearance, the monsters wreak havoc across the world. Humanity finds hope in the form of the MARS suit—a new weapon developed to take down these enemies. The suit, however, can only be worn by those with specific DNA. Enter Takeru Hinata, an ordinary teen with a troubled past and one of the few capable of piloting the only weapon against the Ancients. With the help of the AAST, a special police force established to defeat the dangerous creatures, the young man battles against demons both personal and global whilst trying to discover the true nature of Earth's new aggressors.

Mars is now almost entirely covered in water. Humanity exists in large city-ships that float through the open seas. But life is hard for those who live on Mars—the economy is in bad shape, work is scarce, and food is expensive and highly prized. Gram and his friends try to do the best they can, but the work keeps drying up. Some have taken to a life of piracy to combat the corruption in the government; one such group is the pirates of the feared Ship of Aurora. And the Earth government, which rules Mars, has dispatched a new team of military pilots to combat them. In their specialized mecha called Round Bucklers, they must make the seas of Mars safe for humanity. Caught in the wrong place at the wrong time, Gram finds himself on the run with the most notorious pirates on Mars. But here's the thing—he's starting to like them! (Source: Bandai Entertainment)

Memories is a compilation of three standalone short films encompassing different genres. Magnetic Rose In the far reaches of space, after tracing a distress signal to a large abandoned space station, a pair of engineers—Heintz Beckner and Miguel Costrela—find a derelict mansion and decide to explore on foot. Their investigation reveals a dark secret surrounding the fate of Eva Friedel, a renowned opera singer with a tragic history. Hallucinations soon begin to plague them, and they must fight to retain their sanity in order to escape the station alive. Stink Bomb Hapless lab technician Nobuo Tanaka consumes some pills at his laboratory to cure a cold. Unknown to him, however, the pills are actually experimental drugs that enhance his flatulence to a lethal degree. As the toxic gas escaping him kills everyone in his vicinity, he is ordered by his superiors to retreat to the company headquarters in Tokyo. The journey to the city is made all the more arduous as Nobuo struggles with his deadly odor while the police, military, and foreign adversaries are hot on his trail. Cannon Fodder In a fortress city filled to the brim with cannons, a young boy wishes to surpass his father by becoming a revered artillery officer. Despite no proof of an enemy nation, he cannot resist the urge to partake in the daily bombardment routines organized by the city. Whether at school or just before bedtime, he only dreams of someday firing a cannon for the sake of his homeland.