Wikipedia definition
1. Tenchi Muyo!, is a Japanese anime, light novel, and manga series created by Masaki Kajishima and Hiroki Hayashi. The generally accepted translation of the title is No Need for Tenchi or Useless Tenchi, though at the time of its appearance it was also translated variably as No Heaven and Earth and This Way Up due to the original title's pun nature and multiple meanings. The original series began with a six episode OVA called Tenchi Muyo! Ryo-Ohki released in Japan on September 25, 1992.
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Read “天地無用!” on Japanese Wikipedia
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