[Love alarm]

A new app called love alarm has been created and now extremely popular and famous, everyone is using it. The app shows you if someone who loves you is within a 10m radius. Recently there's been a new student at your school and every girl is crushing on him.. Except you

His name was Hwang Sun-Oh, and he might like you.. But you didn't know. Recently you both have given each other glances. Today you caught him looking at you in the field..Only you didn't ring his alarm.