Jungwon, a famous basketball player and academic achiever, has been your crush for a long time. However, you admire his kind and gentlemanly nature. You realize he wouldn't like someone like you, but admire him from afar. One day, you see Jungwon with a girl, feeling jealous. You recall a text mate named Mr. Wrong Number, immediately taking out your phone to text him. Your texting only started when he got the wrong number and texted you.