At last Haruki realives Kazuma's true feelings, but while he's confused at this sudden turn of events he can't hide his joy that the girl he loved best likes him too.
That's certainly a strange thing to say.
Das hört sich jetzt 
wahrscheinlich seltsam an.
Es algo muy raro de decir.
¿Por qué me sales con esas?
Tu en dis des bêtises, 
toi…
Que coisa estranha de se dizer.