In the private Eto Academy, Class 30, which has % zero motivation, zero talent, and zero future potential, has gathered a new class teacher. He is a good-looking but somewhat weird teacher, Kaga.Mei Zero.The common sense in the school no longer applies. His assets and mobility are ridiculous. His true identity is that he inherited the CEO of the chaebol group that represents Japan and is an unexpected billionaire.Although times have changed, the problems of adolescent children have not changed at all.Kagami, the new hero who breaks common sense, faces various problems and grows up with the students here.