10화: 수수께끼의 하인 교수가 비밀을 밝히자 왕자들이 자신의 결점을 마주하다
2017년 6월 7일 방영
Little by little, the problem princes have been facing their flaws and learning more about themselves as Professor Heine grooms them for the throne. But when Count Rosenberg makes another appearance, they realize there's one thing they still know nothing about: the royal tutor himself... (Source: Crunchyroll)