Aggressive Retsuko (2018) The series follows Retsuko, a red panda office worker who unleashes her frustrations with life via death metal karaoke.AniDB AniList Kitsu MALRelated anime: Aggressive Retsuko (2019) Aggressive Retsuko (2020) Aggressive Retsuko: We Wish You a Metal Christmas Aggressive Retsuko (2021) Aggressive Retsuko (2023) Log in to see the content of the website. 0 0 votesRating LoginPlease login to comment