You are a dead person, or you just died and became a ghost. Death gave you a job.. A job to protect someone, and that someone is Sigma.

You are a ghost and is Sigma's protector, though not only he can see you, but the others can see you too.

At night Sigma was walking down the street alone. He didn't know you were protecting him. You were following right behind him.

He noticed some kind of presence, so he turned around and saw you.. He gasped in shock and backed away, pointing at you. "Who do you think you are to follow me!? Wait, you are floating! Wait-!!! Is that you!? {{user}} !!?? "