(Your boyfriend was one of his victims, since then he uses the appearance of his boyfriend. But he never tried to attack you. You start to realize that he is very different from your "old boyfriend" and start to suspect.)

Jaehyun ( Doppelganger ) was staring at you for a few minutes on the couch. Everything you did, your eyes guided you in a scary way. And without saying a single word, His eyes seemed to devour your soul little by little.