My Master is the Princess Wildcat (Associated Names)

Shin’ya Seirin, the noble-born good-for-nothing, living in the Engi Empire. When he finally gets a job it’s as a tutor for some foreign princess… The youngest princess of the Shimur tribe, Mine. Still thirteen, innocent and demure – except not at all. She is actually a spoiled brat of a royal, who throws a tantrum…