Seitarou Tanabata is all fired up for his first teaching job at a high school
But Nanba Building 13 High School l is filled with delinquents.
The students are troublemakers and even the teachers are odd.
Seitarou is already bullied by 4 students in the 3rd year, class 13 on his first day.
Then, the number 1 troublemaker, Hajime Sugoroku, returns after serving his suspencion.
Can Seitarou ever become the teacher he always wanted to be?
This is the class I teach. 
Third year, Class 13.
.هذا هو الفصل الّذي سأدرّسه
.الفصل الثّالث عشر للسّنة الثّالثة
Das ist Klasse 3-13,
deren Klassenlehrer ich bin.
Año 3 Clase 13
Año 3 Clase 13
Voici la classe dont je m’occupe,
la terminale 13.
3° anno, sezione 13
Terceiro ano - Sala 13
Вот мой класс. Третий год,
тринадцатый класс.