are there really aliens? what do they look like? what are you doing on earth? in "frog sword", these alien invaders who claim to invade the earth are from Gamma nebula planet 58" K the person from longxing, no, to be more precise, should be "frog". 5 frogs sent a small army to blue star for sampling investigation, and the captain keroro the whereabouts of the military officer were exposed, and they were discovered and captured alive by the blue star hinata family, a powerful weapon of invasion. Kero the ball also fell into the hands of his younger brother hinata touki. the base camp invading spacecraft saw that the situation was not good, so it fled in a hurry. the advance troops, the 5 frog teams, were left scattered on the blue star, waiting for subsequent discussions. the helpless keroro started to stay at hinata's house, and was monitored by hinata's siblings and sisters, and was obedient on the surface keroro a small base was built behind the scenes and actively contacted other partners scattered everywhere. other members also slowly showed their true identities. can the small troops achieve their wishes and conquer the earth? what will the fate of the earth? please watch " K longxing vs. blue star, also known as "the happy life of aliens on earth" ccc