When Arisu Yamabuki was all alone in bed at night, he was able to find solace in the voice of a radio host who went by "Apollo." However, one day, she simply stopped broadcasting without any explanation. Years then passed, and Arisu is now a second-year high-schooler. He makes it his mission to search for Apollo, as there is something he wants to tell her. He doesn't know what she looks like, or even what her real name is, but he manages to get some leads on her in his school's broadcasting club. That's where he meets four girls who all dream to get a job where they can make full use of their voices! Just who is Apollo, and how will those four's dreams pan out?

At the Personality Plant, robots are being built and slowly outfitted with the artificial memories of real people. Suzu is one such robot, being made to replace the young boy a family has lost. By chance, he meets Hotori, a young girl suffering from progressive memory loss. The two children become friends and attempt to define themselves in the light of their changing memories.

The land of Altera has observed an uneasy peace for years among Humans, Elves and Evil beasts who are loyal to the legendary Black Dragon. But the Black Dragon begins to stir from its hibernation, sending the Beasts marching across Altera. With a beast conquest perilously close, a small group of Humans and Elves unite to try to find a secret hidden road to the Black Dragon's cave and destroy it. But the fate of all of them may be in the hands of the young warrior Lambert, who must summon the confidence and skill to face the Black Dragon himself just when all may be lost.

Short specials added to DVDs and Blu-rays.