Koichi question about childhood friends dug up old memories from Kaname; from when Koichi was a volunteer teacher at Kaname's kindergarten and his first love rival.
I could've helped Kaori-sensei, too.
También pude haber ayudado a Kaori-sensei.
También pude haber ayudado a Kaori-sensei.
Eu também poderia ter ajudado a Prof.ª Kaori.