S01E01 Meros Warrior
Bocca Serenade, is unhappy with his high school life. And wants to become a warrior like the ones from the story told to him by Tsunagi.
Bocca meets up with his old friend Tsunagi. Tsunagi tells to Bocca about the Space Fort named Mitranome, and about 'Engine One'. The team intends to destroy Engine One, but Bocca wants to save Sayoko first. The team then splits into two. Bocca, Coco and another team mate goes to save Sayoko. The rest sets off to destroy Engine One.
After a war occurred in the 20th century between humans and demons. Since that time, the monsters rule the world in fear but keep relatively hidden from public view. A boy named Bokka ponders the past and wonders what became of the Meros Warriors who defended the world so bravely against the demons.