
S01E01 Earth Engine Open Fire
One night right before summer vacation, Daichi Manatsu, a second-year in high school, sees a weird round rainbow floating in the sky above Seed Island (Shuushi/Tane Island) and ventures there alone. He has seen this...
After failing to attack Earth by themselves, Amara and Moco decide to awaken the other members of their race that are scattered to assist them. The first member they contact is Zin, the avatar of the robot Zimbalt and to confront him, Globe dispatches their newest unit composed of Daichi and his friends, the "Midsummer's Knights".
High-school student Daichi Manatsu works for the Globe organization to pilot a giant robot called the Earth Engine Impacter to protect the Earth from the invading alien force known as the "Kill-T-Gang", from the planet Uranus.