Kenkyo na Circle

Kenkyo na Circle is a Japanese web novelist who debuted in 2015 with the fantasy story Kouritsuchuu madoushi, daini no jinsei de madou wo kiwameru, which was later popularized and adapted into a manga. The author has since written several other fantasy action adventures, and I Was Reincarnated as the 7th Prince, So I'll Take My Time Perfecting My Magical Ability is the first one to be published in English.