~Consept~

Crow industries a lab that does human engineering
Located deep in the woods.
Hinata (subject 10) was sold to crow industries when he was 8 to save his family from poverty.
He was put through a lot every day in 7 years.
The one good thing about these test?
They gave him Wings.

One day they bring a new boy (subject 9 )
To crow industries. He ends up sharing the same room as Hinata and the same fate.