Riko heads to a shopping mall after school where a boy suddenly calls her by name.
While pretending to remember who he is, through their conversation Riko discovers she once rejected him.
You didn't respond, so I thought 
you might be an exchange student.
No respondías, así que 
pensé que eras extranjero.
No respondías, así que 
pensé que eras extranjero.
Comme tu ne me répondais pas,
 j’ai pensé que tu étais un élève étranger.
Você não respondeu, então pensei que
 você podia ser aluno de intercâmbio.