By Kisetsu Morita and Benio. Released in Japan as “Hira Yakunin Yatte 1500-nen, Maō no Chikara de Daijin ni Sarechaimashita” by GA Novels. Released in North America by Yen On. Translated by Jasmine Bernhardt and Sarah Neufeld. Theoretically this is a Vol. 1, but I’ll be honest, I suspect this is a one-off. Those reading along with the parent series, I’ve Been Killing Slimes for 300 Years and Maxed Out My Level, will know of demon administrator Beelzebub and her assistants, as well as the Demon Lord Pecora. Three of the volumes featured side stories that talked about Beelzebub’s past and how she ended up where she is today. This volume collects those stories, as well as adding six others. So yes, you’ve read some of this before. That said,...

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