やんちゃ姫さまの大冒険 うちの第三王女、冒険者になるってよ（web版） (Associated Names)

Argent, the Guardian Knight of the third Princess is bewildered when Princess Pacian (7 Years Old), whose engagement was broken off, tells him. “I am going to become an adventurer.” The princess takes out the magic tools used by the Former Hero and sets off on an adventure with one knight. “Princess, please tell your…