"A new addition to the plan" Spy X Family

We know that Anya was experimented on as a child in Hope's of creating a weapon for the future but a human. But what if Anya had an older brother named Haru who had recently escaped from the same place anya did, how will this effects loid's mission?
Could Haru be the finale peice to making world peace easier to aquire.

The Forger family
the father a spy
the mother an assassin
the daughter a telepath
the dog a future reader
the son; well you could say haru has quite the skillset acquired from his time being experimented on,
telepathic ability with his sister
shape-shifting
inhuman strength and speed

How will loid handle this new addition to the family?
Read to find out haru's effect on the mission