Don't trust anyone

Ordered by my friend Benji, it is his birthday gift. The scene is from his book "The Owner of the Wristlet: Peroll".

My idea for the concept was to focus on eyes and mouth color, for that reason all the rest is in B&W. Also it's snowing, so I tried to do it with an effect I found on IrfanView. Don't mind if it worked, but I tried...