Read more about Retsuko at: Wikipedia

Official Site: Netflix

Aggretsuko, also known by its original Japanese title , is a Japanese musical comedy anime web television series based on the eponymous character created by "Yeti" for the mascot company Sanrio. The character first appeared in a series of animated shorts by Fanworks which aired on TBS Television (Tokyo Broadcasting System Television) between April 2016 and March 2018.

An original net animation (ONA) anime series adaptation was launched worldwide on Netflix in April 2018, followed by a second season in June 2019, and a third season in August 2020.

Courtesy of Oni Press, a comic book series is currently in production by Daniel Barnes and D.J. Kirkland. The first issue was released on February 5, 2020.

A mobile game, Aggretsuko: The Short Timer Strikes Back, was released by Hive for Android and iOS in July 2020.

Retsuko has not been a contender in any CBUB matches.