End of line of sight, 30 degrees

Chapter 12.5
Notice. : (UPLOADER TAKING HITAUS)
Chapter 13
Notice. : (UPLOADER TAKING HITAUS)
Chapter 13
To Do-Jin, Yeon-Woo was just an unusual kid. However, from one day, Do-jin's eyes were chasing Yeon-woo. Why can't Dojin take his eyes off him? And what is that feeling that Dojin feels?