The world where Riki-Oh lives has lost any trace of humanity, as a result of wars, economic crises, struggles for power and handing it over to greedy or fanatical people. This character will fight injustice in his own way while searching for his real father
Keroro is an alien who has come to dominate the planet... the thing is that he is lazy and extremely geeky, so he prefers to spend his days sleeping, eating or building a Gundam model... but don't trust yourself, one day he will dominate the world!