Hira Yakunin Yatte 1500-nen, Maou no Chikara de Daijin ni Sarechaimashita

Before Azusa met with the noble Beelzebub, how did this plain Zebub who lived inconspicuously becomes the agriculture minister? Were you able to manage the Demon country ? Spin off from Slime Taoshite 300-nen, Shiranai Uchi ni Level MAX ni Nattemashita