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.
And the square root of sixteen is...
Y la raíz cuadrada de dieciséis es...
Y la raíz cuadrada de dieciséis es...
Et la racine carrée de 16…
E a raiz quadrada de 16...