This information was posted by Korean fan @zeigarnik_effect, thank you!
After that we found more pictures from their website!
What are they?
They are a cosmetic company that provide make up supplies for movie/drama production
and Art school for people to learn to be make-up artists also
And Yerang had worked with OCN Drama " Local Hero " in 2015-2016
Picture from " Local Hero " poster
" 2015_OCN Neighborhood Hero "
More pictures they took during the time they worked for the drama with so many actors.
But in Part # 1, we will show you only pictures of Park Si Hoo.
For the other actors will be posted in Part # 2, thank you!
Yerang posted these pictures on January 27th, 2016
But we just discovered their blog till now!
" Revealed <Hero of the neighborhood>
OCN drama started the first broadcast on January 23 "
Credit : Yerang production, thank you!
To be continued....