They can have an everlasting love... if the demon will allow it.
Assassination attempts are nothing new for Princess Serenity. Since before her birth, many enemies have tried to end her life to stop her from fulfilling a marriage treaty that would bring an end to the war between humans and demons. She happily embraces her upcoming role and wants nothing more than to be a loving wife to her new husband, but that may be asking too much in a political union.
King Melchior is not a demon and his people aren't savage...
They can have an everlasting love... if the demon will allow it.