Joonwoo is a socially awkward person who has problems with making friends and socializing. The only thing that can make his days brighter is when he chats on an app called Random Chatting with strangers. That’s how Joonwoo ended up befriending his classmate, Sungah. However, Joonwoo is nothing special at school and Sungah doesn’t know the one she’s been talking to all the time is Joonwoo.
In the end, can Joonwoo fight his anxiety and become closer to Sungah?