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.
You always want to do everything on your own.
Du versuchst immer, alles alleine zu lösen,
Vuoi sempre fare tutto da solo.
Quer sempre fazer as coisas sozinho.