Makoto is surprised by Saki's confession of love and has to clarify that he is not the girl Saki thinks he is. However, Saki is undeterred and throws herself wholeheartedly into the mission of becoming Makoto's first love. 
thinking that it may be a love letter?
al pensar que es una carta de amor?
al pensar que es una carta de amor?
pensando che potesse essere
una lettera d'amore.
pensando que pode ser
uma carta de amor?
наверное, обрадовалась бы
любовному посланию.