Level E

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Hundreds of aliens inhabit our Earth today. Some friendly, some belligerent - some are here for research purposes while others came for the sake of committing crime. It is only us humans who have yet to realize their existence.

One day, a hell of a troublemaker arrives on our planet. Though he is regarded as the smartest man in the universe, he has a major flaw in his personality - he is always causing trouble to bide his time.

(Source: Crunchyroll)
is a site to watch online anime like Level E online, or you can even watch Level E in HD quality
Overview:
Hundreds of aliens inhabit our Earth today. Some friendly, some belligerent - some are here for research purposes while others came for the sake of committing crime. It is only us humans who have yet to realize their existence.

One day, a hell of a troublemaker arrives on our planet. Though he is regarded as the smartest man in the universe, he has a major flaw in his personality - he is always causing trouble to bide his time.

(Source: Crunchyroll)
Other names:
Aired: January 11, 2011 to April 5, 2011
Episodes: 13
Premiered: WINTER
Duration: 24m
Status: Completed
Genres: ComedySci-Fi
Aniwatch is a site to watch online anime like Level E online, or you can even watch Level E in HD quality