It's not opaque
She wandered around the school.
--
It was her first day of review classes. Assigned to a certain school, she was fascinated by her new atmosphere of surroundings. Since she doesn't have anyone to befriend with, she decided to wander alone.
--
"Hm. I thought this was a painting. So it's only just a picture enlarged, huh. Disappointing.
In front of her was a picture of a garden with a fountain at the middle. It would look like a painting on a distance, but it really is a picture behind the mask.
--
"Hey."She heard a male voice speaking at the end of the corridor. Hearing the voice makes her shill, tingling her spine 'till the very end.
"Hm. Looks like someone's coming. Better leave fast so they won't see me." Or so she thought. Maybe it was he, not they.
--
All of a sudden, a man appeared just right in front of her. Stunned, she just stood on her place. She is confused, alright.
"Where did you?"
"Hi." He ignored the question or more of—avoided it.
--
Being afraid of another's presence, she tried to leave him and escape his gaze.
But she failed. He was right in front of her—again.
She tried to shove him, but her hands just passed through his body.
Her eyes widened from surprise for the second time.
--
"Yes. What you think is true. I'm a ghost.