With the Demon King♡ Before the high-ranking demon noble Beelzebub meets the highland witch Azusa. To sum up the years spent as the top of the Ministry of Agriculture and the Demon King's first servant in one word: "Overall, I'm happy!" In fact, the past characters Farfa and Shalsha also make an appearance, along with the highland witch! The chaotic working spin-off from "Let's Become a Novelist" "I Defeated Slime for 300 Years~" has come to a conclusion!