Yūya Asato

What royal tutor Heine Wittgenstein lacks in height, he makes up for in knowledge. And he's about to lay down some serious learning for the four princes of the Kingdom of Glanzreich. But does he have what it takes to school four troublesome princes?

The "Royal Tutor" is a special tutor carefully selected for the task of teaching the prince, and a title given only to the best teacher in the nation. Heine Wittgenstein has been called to the kingdom of Glanzreich to take on the role of the Royal Tutor. He's been ordered to raise a worthy candidate for the throne, but he's greeted with four princes of completely different, unique personaliti...

Gigantic mutated sea monsters arise from the ocean’s depths and begin to wreak havoc upon an awe-stricken Tokyo, as a colossal crab monster appears.