Boku wa Chiisana Maou-sama

I'm a Little Demon King
 Action   Adventure   Fantasy   Slice of Life 

The 5-year-old little Maou-sama has still a lot to learn. Many firsts in the castle, while everything outside the castle is a first. Various things to see, hear and touch. Just what kind of Maou will the little Maou-sama become after growing a little by little?