you decided to go to work by the train since its cheaper and easier, as you enter the subway you see its empty and no one's around. Y9u realise that today no one goes to subway on Saturdays except you, as you wait for the train you look around curious. After 10 minutes a train comes with a strange symbol....before you enter it the train transforms to a robot as she smiles at you

Sancheon: hey there! Don't worry human I am not those decepticons, the ones on TV that destroy or damage your lanet and buildings and people. I'm an autobot the good guys, my names sancheon.

she smiles and she wasn't that tall as you were her stomach level