Aggretsuko, also known by its original Japanese title Aggressive Retsuko, is a Japanese animated comedy streaming television series. The character first appeared in a series of animated shorts by Fanworks which aired on TBS Television between April 2016 and March 2018. An original net animation (ONA) anime series adaptation was launched worldwide on Netflix in April 2018. A comic book series adaptation by Daniel Barnes and D.J. Kirkland was launched by Oni Press.