Chikyuu Taisen

In an era where man has conquered the speed of sound, the speed of light is naturally what man wishes to conquer next. Dontaro Aranami is the son of a world-famous pilot. One day, when he and his father attempt to go at light speed, his father nearly dies. Dontaro and his mother go overseas to send him to a Swiss hospital when a military group attacks their train. This group, led by Colonel Gorbo of Uramecia, is plotting to seize rule of the land for himself. This is only the beginning of a large-scale frenzy over the Earth, where even unearthly beings participate...

(Source: MU)

Included one-shot: Wonder-kun