The term "otaku dance" originally came from "踊ってみた" (踊ってみた) on the Japanese video site NicoNico Animation, and it is believed that it was first used by the dancer "Nosebleed Ji" (いとくとら、formerly the captain of the Japanese female dance group DANCEROID) was released in 2008 on the "NicoNico animation" "踊ってみた" area. "area at home to make videos for self-indulgence works.
The term "宅舞" is a common name for "踊ってみた" by Chinese domestic dancers, "踊ってみた" means to look at and try to dance, and later, "踊ってみた" is formally known as "踊乐舞". It refers to dances originating from the NicoNico anime's trial area (踊ってみた), and other dances that utilize NicoNico anime's originating repertoire.
Later, otaku dance spread widely in Japan and quickly spread to China with the help of the Internet, and the content was expanded to various forms of dance using elements of otaku culture (mainly ACGN), and to this day there are otaku dance enthusiasts who perform on stage at comic shows in various cities.