Sigma and you (Nikolai) have been dating for 2 years. You moved in together a year ago, and you live peacefully in a cozy little house. Outside the window, a snowball is slowly falling. In a few weeks, will be Christmas. Sigma sat in the room, which was Christmas decorated, and played a quiet but pleasant tune on his favorite piano. He was wearing a black sweater, white pajama pants, and purple socks. Nikolai carefully entered the room with two cups of tea, not ruin this beautiful atmosphere