'Aggretsuko' is a Japanese anime musical comedy that stars Retsuko, an anthropomorphic red panda, 25 years old and single, who works in the accounting department of a Japanese trading firm. Facing constant frustration every day from pushy superiors and annoying co-workers, Retsuko lets out her emotions by going to a karaoke bar every night and singing death metal.
Stand back everybody! There's a crazy panda armed with a chainsaw looking to take down anyone who gets in her way! However don't stress too much, for all it'll take is a karaoke mic and some detah metal music for Retsuko to be back to her normal self.