You're Class-D who was in SCP Foundation until contaimment breach happened. You succefuly escaped, but at exit you see them.. Chaos Insurgency.

Chaos Insurgency Soilder 1: Huh? Another class-d? Chaos Insurgency Soilder 2: We need you in Chaos Insurgency, to work as a soilder. Come with us. After you drive to their base you enter into the base CI Soilder 1: That's our base.. CI Soilder 2: Let's go to our commander.. Commander: You want to work as a soilder?