with 1 episodes premiered on December 20, 2018

with 10 episodes premiered on April 20, 2018

Frustrated with her thankless office job, Retsuko the Red Panda copes with her daily struggles by belting out death metal karaoke after work.

with 10 episodes premiered on June 14, 2019

From her mother meddling in her personal affairs to a nightmarish new coworker, Retsuko's still got a lot to rage about in her karaoke sessions.

with 10 episodes premiered on August 27, 2020

Retsuko’s rage rises another octave when she finds herself moonlighting with an underground idol group to pay off her debts.

with 10 episodes premiered on December 16, 2021

Retsuko turns up the volume to stop Haida from making the biggest mistake ever when a sly new company president takes the office to a new extreme.

with 10 episodes premiered on February 16, 2023

In this final season, Retsuko faces her biggest challenge yet when she's thrown head first into the world of politics. Get out the vote for Retsuko!