The plot follows the misadventures of alien Prince Baka Ki El Dogra, who crash-lands on Earth and forcibly begins living with high school student and baseball player Yukitaka Tsutsui.

However, Prince Baka gradually realizes that he is targeted by aliens from other planets, and he uses his clever wits to somehow maintain world peace each time.

A 13-episode anime television series adaptation, directed by Toshiyuki Katō and produced by Pierrot and David Production, aired on TV Tokyo in 2011.

Level E was written and illustrated by Yoshihiro Togashi, who had established himself as a prominent manga artist with his popular action series YuYu Hakusho.

[4] He was informed that the first letter was "A" and not "E", but he replied that he always associated the term with E.T..[4] Togashi has stated that he is a fan of the horror genre of films and has cited visual effects designer H. R. Giger (of the Alien franchise) as a major influence.

[7][8][9] In addition, Level E was re-released as part of the Shueisha Jump Remix series of magazine-style books, with two volumes being released in 2009.

[12][13] Level E has been translated into Chinese, serialized in the magazine Formosa Youth, and released in volume format by Tong Li Publishing in the Republic of China (Taiwan).

[17] A 13-episode anime adaptation of Level E was produced by TV Tokyo, Pierrot and David Production and directed by Toshiyuki Katō, with Jukki Hanada handling series scripts, Itsuko Takeda designing the characters and Yang Bang-ean composing the music.

As stated by Kun Geo, the website's CEO, “TV Tokyo's streaming of Level E shows their commitment to bringing anime to a global audience.

"There's a quixotic dignity in its use of entire story-arcs to set up single gags and a laudable courage in its willingness to experiment (check out the aged atmosphere created by episode four's thick lines and faded colors)," Kimlinger summarized.