Sergeant Honma Eiji has been assigned to the Shanghai military police. 
Not long after assuming his new post, he is summoned by Captain Oikawa Masayuki. 
Oikawa orders Honma to conduct an internal investigation and uncover an enemy agent 
who's infiltrated their ranks. As he explains the mission, they hear an explosion...
We were classmates at the imperial university.
.كنّا زملاء صفّ في الجامعة الإمبراطوريّة
Wir waren Kommilitonen
an der Universität.
Fuimos compañeros en la universidad.
Fuimos compañeros en la universidad.
quand on était
à l’université impériale.
Eravamo compagni di corso 
all'Università Imperiale.
Era meu colega de classe na Universidade Imperial.