I've read more chapters and yes, the drama is cheap.
Author clearly explains the story talks about a case in the future where the illness is known and what can happens to someone afflicted by it is clear to researchers.
Still, MC run away from home and his mother is using his old photos to search for him.
Didn't accept her son was hit by a illness that is fucking well known.
Of course somenone would think is a prank or someone trying to steal his identity, the fact that his blood changes so much is not even related anymore doesn't help, but there must be a way to find out if someone have it, so it makes no sense that after explaining his identity his own family didn't even try to accept it, the author forced it too much.