His public face is that of a teacher, but he’s secretly a CEO?!
A comedic school drama that smashes modern common sense is born!

At Eto Private School, Class 3-0 is where the school dumps students with “zero motivation, zero talent, and zero potential for the future.” They are called the Zero Class, and mocked fiercely, but now these bottom-of-the-barrel students have a new homeroom teacher. He is Rei Kagami, a handsome but somewhat unique educator. The common thinking at the school holds no sway with him. This teacher’s financial assets and motivation are off the charts, and that’s because, incredibly, he is the billionaire CEO who inherited of one of Japan’s leading corporate empires. Rei Kagami has been curious and caring from a young age, and that curiosity stayed with him as he matured, even as a more self-centered personality became apparent. He has come to Eto Private School without revealing his identity in order to achieve “a certain objective.” Although he is a superb manager, Kagami Rei’s lack of understanding of what is normal for the common people makes him useless as a teacher, and this leads to friction with his students and the rest of the faculty. How will someone like him, who might as well have come from an entirely different dimension, take on the troubles ailing the Zero Class? What can the students learn from him? And why has he come to the school?
Recently, people have lamented “Do we even need teachers in an age of AI?” Now, a new hero is here to smash that kind of common sense!