Living in the lawless Ishinari District in a future Japan, sisters Ami (Hina Nagimiya) and Yoshie (Hanakage Kanon) who sold their bodies to help their parents, try to earn a living performing as an idol group in the area. When their performance causes stranger Matsukata (Tak Sakaguchi) a notorious hitman, to notice their condition, the three realize their worth to each other in the fight against Aoyama Dharma (Kimono Negishi), the female boss of a notorious organ harvesting ring in the area. Realizing that even their skills are no match for her army of goons and henchmen, the two are outfitted with special homemade weaponry to their bodies and become the ultimate killers.

Living a troubled home-life, a teenager becomes so stressed out with everything around her that she disappears into a series of fantasy-related books. While trying to escape her situation, she soon finds herself living in feudal Japan with a ninja master and his students who inform her that she's in a separate dimension from her regular life and are to help train together in the way of the ninja. When the training's complete, the girls learn that an evil warlord that left them orphans has intentions on killing them all as well, forcing the girls to team up together with all their training to defeat the madman and live in peace again.

Yoshihara Akihito had no particular goal and just managed to manage his daily life. One day, he happened to meet Ishikawa Eriko, who had a secret feeling in high school. Akihito decides to make a plan when he sees Eriko, who rejects all the past, "memories that he wants to change" and "memories that he wants to erase" that are revived by the reunion. To settle the abominable past for the two in high school. A straight and slightly bitter youth group story that depicts characters with a dark past facing each other desperately while being clumsy in order to repaint the memories of memories that turned away from their eyes as adults.

A wave of kaiju emerges from an industrial zone, prompting Capitan Gento and the Special Kaiju Reaction Detachment (SKaRD) to engage in the relentless battle. Yet despite their efforts, the endless kaiju attack continues. Suspecting a link to Necromass Co., an advanced chemical company that researches kaiju corcasses and owns factories in the industrial zone, SKaRD rushes to the company’s CEO and renowned chemist, Dr. Mabuse. At Necromass Co.’s research facility, Dr. Mabuse explains the development of the damudoxin, a substance on the brink of achieving immortality. Meanwhile, Alien Damuno, who claims themselves as the “ruler of the universe” appears! Chaos ensues when damudoxin leaks from the destroyed tanks, consuming samples of kaiju carcasses and giving rise to the giant Gongilgan, the Demonic Carcass. Set in Tokyo, the capital of Japan, Ultraman Blazar and SKaRD clash in a showdown against the giant kaiju!