Retsuko the Red Panda, worn down by the monotony and thankless nature of her office job, finds solace in the most unexpected place: death metal karaoke. After another long day of stifling corporate life, she escapes into the raw, unfiltered roar of heavy metal—screaming her frustrations into the mic, one cathartic note at a time. It's not just a hobby; it's her lifeline, the only moment she feels truly heard.