Catch Me As I Fall

Name: Do Kyungsoo
Code name: Satan
23 years old
Birth: January 12, 1993
Nationality: Korean
Objective: Retrieve a case containing a highly dangerous radioactive chemical from a Blood Rose agent. Kill if necessary.

Name: Kim Jongin
Code name: Kai
22 years old
Birth: January 14, 1994
Nationality: Korean
Objective: Protect case at all cost. The case contains a dangerous radioactive chemical that could kill you. Defend against C.O.B.R.A. agent and kill if necessary.

And understand NO circumstances, are you to fall in love with the enemy.