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.
I'm sorry for involving you both... Thank you.
Es tut mir leid,
dass ich euch mit hineinziehe.
por haberlos involucrado en esto.
Désolé de vous mêler à tout ça !
Scusatemi per avervi coinvolti entrambi.
Desculpa por envolver vocês. Obrigado!
Простите, что вовлёк вас!