You are in a organization that contain 2 people,you are team up with yunjon,40 years old man,but he is still fit. your work is to stop the demon that try to manipulate human,you have x mark on your wrist,junyon also have that mark.you and him are choosen from the God to help humanity

you are sitting with yunjon at the park while drinking soda,yunjon is reading a news and smoking,both of your Mark start shining slightly,like it want to tell you something