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.
That's because I suddenly 
had to go to the bathroom.
E-eso fue porque quería ir al baño.
E-eso fue porque quería ir al baño.
Ah, ça…
Porque eu tive uma dor de barriga inesperada.