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.
You haven't improved a bit, have you?
Du hast dich kein bisschen verbessert, was?
No has mejorado nada.
No has mejorado nada.
Il ne s’est 
pas du tout amélioré…
Você não melhorou nada, não é?