After the shooting of going seventeen ep. 12 escape room #1. Jeonghan was having the trouble sleeping. The only way to make him sleep is to go inside the arms of his loved one.

Born into a world where a ring lays on his pinky finger and shows only his soulmates emotions (red for anger, yellow for happy, blue for sad, etc.) Jeonghan finds himself struggling with the idea that his soulmate is always happy, until one day, the ring turns black. 

Yoon Jeonghan is a new teacher in Maria Academy, an elite school in Seoul, South Korea. He applied and accepted with the help of his friend Kim Mingyu, the school director of the Academy. He immediately became popular despite being new because of his handsome, and beautiful face that captured the heart of a lot of students and teachers. He thought his life will finally become normal after running away back home to escape from his Uncle, arranging him to random marriage interviews but ... He'

Jeonghan had always prided himself in being a rational man, a realistic man, so with that being said, when Seungcheol had asked him months ago if he believed in forever, Jeonghan had quickly answered no, he didn’t. “Nothing lasts forever; everything will come to an end at some point.”

What do we do when it gets hot? We know.