Font: used for making glitching effect on the screen.
Each character shows how to pronounce the English alphabet in Korean.
Everything in the video is in the past.
She says she is the real one and trapped in the old TV (that means, past).
And shouting to get out her from the TV (the past).
There are many of myself ( If they can get out from the past, they are doppelgangers.) from the past photos. They are living each different timeline from 2012 to 2014.