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.
Conducting our romantic research, of course.
Seguir con la investigación de amor, claro.
Seguir con la investigación del amor, claro.
C’est de faire des recherches
 sur les relations amoureuses.
Conduzir a pesquisa romântica, é claro.