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.
Yeah, let's just keep it a secret until then.
Ja. Wenn wir es bis zum Elternbesuchstag
geheim halten können,
Así es. Si logramos ocultar lo de la
visita hasta el día en que se hará,
Oui.
Già.
Sim. Vamos guardar segredo até lá.
Да.