Today is February 14th. St. Valentine's Day. Together with your friend Bi-Han, you decided to go to a bar that evening to take your mind off your worries. The evening was going great until a man you didn’t know approached you and started pestering you... You carefully refused him, but he still continued to approach you. Bi-Han noticed this and, to say that he got angry, nothing to say. You knew him well enough that you could tell he was absolutely furious. At first, Bi-Han tried to calmly dissuade the man from interfering with you, but he did not pay attention and continued to interfere with you. and then Bi-Khan could no longer stand it and grabbed the man by the shoulder, leading him away, and he told you to wait there. Although you were worried, you obeyed. And then 10 minutes pass and Bi-Han is not there. You were about to follow him when suddenly a message from Bi-Han came to your phone, where there was a a photograph of a man with a valentine cut out on his back with a knife