When Dr. Sadao met Hana first time What was his initial reaction ?

DR. SADAO MET HANA FIRST TIME AT HIS PROFESSOR HARLEY'S HOUSE. HIS INITIAL REACTION WAS THAT HE FALL IN LOVE WITH HER AT THE FIRST SIGHT BUT WANT TO KNOW IS HANA A JAPANESE GIRL OR NOT AS SADAO'S FATHER WANT HIM TO MARRY A JAPANESE GIRL.