Kotoko is now living with the Irie family, but Naoki is cold as ever. Naoki's mother Noriko always wanted a daughter, so she is ecstatic. Noriko gives Kotoko a photo of Naoki as a young boy dressed in girl's clothes. Kotoko now has the upper hand because she holds Naoki's secret embarrassment of his transvestite past, so she plans to have him tutor her for the final examinations, in order to enter the list of top 100 scores.
I don't even know what 
it is I don't understand.
Ni siquiera sé qué es lo que no sé.
Ni siquiera sé qué es lo que no sé.
Je ne sais même pas
ce que je ne comprends pas.
Eu não sei nem o que eu não sei.