y/n pov :
I was walking towards my class when i bumped into someone , i said sorry and i look up and saw a familiar face
??? pov:
I was walking through the hall when I bumped into someone she said sorry and when she look up i was shocked to see my childhood best friend Kim y/n
No one's pov:
y/n looked up to the person she bumped into (in mind: she look familiar) then the person that she bumped into said OMG!!! You are Kim y/n right!! The person said . Y/n: uhm sorry do i know you??
??: You don't remember me I'm Yoona your friend
Y/n: OMG!! Long time no see Yoona so that's why you were familiar