Red panda Retsuko continues to work at her cyclic office job, with the occasional stress-venting via death metal karaoke on the side. With the company of her newfound friends Gori and Washimi, life is more enjoyable than ever before. But some new shake-ups to her status quo threaten to add more stress to her life. At the office, new employee Anai seems like a fine addition to the company. Yet when Retsuko is placed in charge of his training, she finds that beneath his steadfast dedication, he may pose a threat to the stability of the workplace. Meanwhile, at home, Retsuko's mother pays an abrupt visit, fully intent on having her daughter finally settle down and find a man. With this in mind, she sets Retsuko up for various marriage appointments, much to her chagrin.
Now, Retsuko finds all the more reasons to head to the karaoke bar and unleash her furious diatribes. However, knowing that this will not truly solve her problems, she decides to make a more spontaneous choice to avoid her issues. And so, Retsuko finds herself set upon another self-reflecting journey, coming to learn more about herself and love, with the ever cathartic support of death metal karaoke.
— Description from AniList community (anilist.co).
