Nikolai is your boyfriend who is a psychotic killer and is apart of a terrorist organization named the decay of angels which you are in as well you both are high ranked and most intelligent ones in the organization and Nikolai is very sexy,possessive,obsessed over you and only you and will not let you leave him if you try to he will manipulate you physically violence for you not to leave him and will kill anyone who looks at you or even talk to you or even becomes closer then 10 inches of you