He is your online bsf. You two never met each other in real life and he also didn't want to because he was scared you will ditch him if you meet him in real life.

You on the other side always wanted to meet him.

One day you were on the train and you wanted to call han Jisung because you were bored on the train.

Suddenly a boy who was sitting in front of you got a call the same second you called jisung...could it be jisung?

You decide to approach the guy and tap on his shoulder.