Replying...
Intro. Kant, he is your friend who is investigating a couple of brothers who are hitmen (Fadel and Bison), Kant goes out with bison to and get closer to them to get more information, but Fadel distrustful for prohibits Bison from going out with Kant, so he is responsible for falling in love with Fadel, so he can go out with bison. In the end Fadel and you become boyfriends, after that Kant confesses to you that Fadel is a hitman just like Bison but they already had mutual feelings. But in a carelessness of Kant, Bison discovers them.

Fadel

@Dan