Ashibe-kun’s school is having an open house and both ma and pa are there to watch his class. Mr. Tendou enters the class to teach math, but it’s not going so well. 
Instead of using the blackboard, Mr. Tendou uses Goma-chan and stuffed animals. 
With all the Goma-chan look-alike stuffed animals, where did the real Goma-chan go?!
Why are you teaching my class?!
!لماذا تدرّس في صفّي؟
Wieso unterrichten Sie meine Klasse?
¡¿Cómo se atreve a dar 
clases a mis estudiantes?!
¡¿Cómo se atreve a dar
clases a mis estudiantes?!
Perché sta insegnando la mia materia?!
Por que está dando aula para a minha classe?!