Upcoming drama “S LINE” has unveiled a new teaser video ahead of its premiere! Based on the webtoon of the same name, “S LINE” is a fantasy thriller in which red lines suddenly appear above people’s heads, connecting them to people with whom they have had physical relationships and thus revealing sensitive personal information overnight. This red line is called the “S LINE” and can only be seen but not physically touched. The teaser kicks off with Hyun Heup (OH MY GIRL’s Arin), a high school student born with the unique ability to see the “S LINE,” narrating somberly, “I…
