permanent life changes

When Blaze's parents gets killed by a mysterious hedgehog at a young age she was transfered to a orphanage were the kids there pick on her and Silver then when Blaze and Silver gets a new home from the people who took them in they grow old they go to highschool.
Mean While blaze puts her life on the line to find her parents killers as Silver cares and worries for Blaze and has deep affection for Blaze.

Does Blaze feel the same way Silver does?

Will Blaze get her self killed trying to find her parents muderer?

And who is this killer and how how much danger can He/She bring to Silver,Blaze and or Mobius?