10 years have passed since the end of the last war against the radam. A new team of Space Knights has been assembled under the lead of Aki and D-boy. The first mission of the new tekkaman is to defeat the radam but then, they have to fight against a remnent from the past. (Source: ANN)

Haruka Nanami, an aspiring composer from the countryside, longs to write music for her beloved idol, Hayato Ichinose. Determined to accomplish this goal, she enrolls into Saotome Academy, a highly regarded vocational school for the performing arts. Upon her arrival, Haruka soon learns that everyone on staff, including the headmaster, is either an idol, a composer, or a poet. To top it all off, she is surrounded by incredibly talented future idols and composers, and the competition among the students is fierce; with the possibility of recruitment by the Shining Agency upon graduation, the stakes are incredibly high. As she strives to reach her dream at the academy, one fateful night, a series of events lead Haruka to a mysterious man standing in the moonlight, and he seems a bit familiar... [Written by MAL Rewrite]

Haruki Kitahara's light music club is on the verge of disbanding. At this rate, the third year's dream of performing at the school festival would never be realized. However, as his exhausted fingers drift through the chords of "White Album," the first song he would ever play, an angelic voice and mysterious piano begin harmonizing with his lonely guitar. It is a momentous performance that marks the beginning of everything for Haruki. White Album 2 orchestrates Haruki's final semester with complex romance and exhilarating music, as the curtains of the stage he so desired begin to open... [Written by MAL Rewrite]

A young girl named Zuru sets out on an expedition through a post-apocalyptic city controlled by machines in a desperate hunt for food. Things go awry when her team accidently triggers the city's AI defense program called the Safeguard. Attacked by the machines, her companions are on the verge of being annihilated when a mysterious man named Killy arrives and exterminates the hostile units.

Despite his heroic intervention, Zuru is hesitant to trust Killy and questions his motives. He reveals to have come from thousands of levels below the city in order to find humans possessing the Net Terminal Genes—a trait that would allow humans to regain control of their civilization and shut down the Safeguard. After hearing his story, Zuru and the rest of her team join Killy and embark on a journey in search of the Genes that could prove to be mankind's last hope of survival.

[Written by MAL Rewrite]