A group of middle-school students unwillingly assume the task of piloting a giant mecha named Zearth in a series of battles against mechas from parallel worlds.
EPISODE 1
Game
Seeking adventure during a school field trip, fifteen kids stumble upon a strange man in a cave, who invites them to play a game.
EPISODE 2
Zearth
A strange creature named Koyemshi introduces itself to the group; Takashi is chosen as the next pilot of Zearth, and he resolves to protect the Earth.
EPISODE 3
Secret
Questions remain in the wake of Takashi's death; Kodama is selected to be the third pilot.
EPISODE 4
Strength
Masaru's family life has made him come to divide the world into two types of people: those born to die, and those born to survive.
EPISODE 5
Weakness
The children realize just what it means to be chosen as a pilot for Zearth.
EPISODE 6
Lust
The next pilot is Kako, but the other kids can't find him, though Chizu has an idea of where he might be.
Tomokazu Sugita
Soichiro Hoshi
Daisuke Sakaguchi
Junko Minagawa
Akira Ishida
Hiroki Tōchi
Yuka Iguchi
Keisuke Oda
Ao Takahashi
Kouki Miyata
Kumiko Higa
