Kenji of the Land of the Future + Galaxy R3

A pair of Jiro Kuwata's SF works serialized in "Shonen Gaho'' and "Shonen'' in 1962 . Check out the activities of these two Kenji!!

<Kenji of the Land of the Future> Kenji , Donpei, and Goro travel in time to the future world at the speed of “now”, faster than light. The time machine can only go to the future, and they are left behind in the future world. In order to find a time machine that will take them back to their original world, the two and their animal aim for a more distant future...?

<Galaxy R3>
Kenji, a young boy who witnesses a mysterious spaceship, is attacked. He is appointed as the agent of justice "Galaxy R3" to protect the people of Earth. Can Galaxy R3!?! protect Earth's peace with his robot partner Dan!?!