Ostania's counterintelligence agency and national security bureau conducts spy hunts and keeps surveillance on its citizens to maintain peace within the country. They are also called the Secret Police and are feared. Yor's younger brother Yuri actually belongs to the Secret Police and is hunting down spies while keeping this a secret from Yor and others around him. One day, he suddenly shows up at the Forger residence. The Forgers, who are full of secrets, and Yuri, who has a secret identity, come face to face!
I will eliminate every threat within 
this country where my sister lives.
سأزيل أيّ تهديد داخل هذه البلاد
.حيث تعيش أختي
Erradicaré toda amenaza
en el país donde vive mi hermana.
Voy a erradicar toda amenaza
en el país donde vive mi hermana.
J’éradiquerai tout ce qui menace
le pays où elle vit,
Spazzerò via ogni minaccia 
da questo Paese in cui vive mia sorella.
Vou eliminar todas as ameaças
deste país, onde minha irmã mora.
Но я очищу эту страну ото всех,
кто может угрожать моей сестре!