A very ordinary teacher, Midori Mori, 25 years old. However, the class he is in charge of is a super special class, commonly known as the SSR group, where only the elite of the elite gather! Midori was spending fulfilling days while being swayed by the genius students. But suddenly, the days are over. All the students suddenly disappeared from this world one day! When Midori saw the magic circle that robbed the students, he jumped into it without hesitation to save them. Then, beyond that, a world that I have never seen is spreading ...!? A slapstick different world youth story of a cheat high school student and an ordinary teacher!