A class observation day was scheduled to be held in Gaku's class. However, Gaku was worried that if Hayato took a day off to attend, it would cause inconvenience at his workplace and increase his workload.
She left in the middle of it.
Sie war mittendrin gegangen.
se tuvo que ir a la mitad
elle n’est pas restée
jusqu’à la fin.
a metà se n'è andata.
Ela foi embora na metade da aula.
Она ушла на середине урока.