The biggest chance to hit the royal country?! Under the steerage of the royal tutor heine wittgenstein, the 4 princes of the glanzreich nation, who intention to come to be the following king, have conquer various challenges and step by step grown up, whilst being stressed occasionally. Sooner or later, the dual princes from the romano nation all of sudden appear in front of them. Notwithstanding their adorable appears, their authentic nature is exceptional sadistic. To handle this unparalleled disaster, heine and the 4 princes determine to educate them a lesson?!