
Space Dandy
The story of the anime revolves around Dandy, an alien-hunter. His job is to seek out new aliens never seen before, and receives a reward whenever...

Keroro is a frog-like alien sent from his home planet on a mission to conquer Earth. But when his cover is blown, his battalion abandons him and he ends up in the home of the Hinata family. There, he's forced to do household chores and sleep in a dark basement that was once supposedly a prison cell haunted by the...
The opening is more atmosphere than hook.
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