The Shadow Of Light (saga RP)

((DISCLAIMER))
The character in this rp is based off of Creepy pasta. I do not own any of them. I give credit to his owner.
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Your FC was walking in the park at daytime, And they see somthing completely white, it was a shadow, but completely white. They walk over to it.
They see a 13 taon old boy with pure white skin and a sweater that matched it, black pants, shoes, and hair, and he was sitting against a puno hugging his knees with his face burried in his hands. They hear him crying.

What do they do..?