missing parts - Phan AU

Human transmutation; A type of necromancy created by alchemy to bring what's dead back to life.
It's illegal.
It's an unknown type of alchemy.
Dan did it.
It cost him an arm, and later a leg.
Flesh replaced for mechanical limbs.
But he has to keep them hidden, no one can know.
Dan enrols into an alchemy boarding school hoping to later graduate and become a state alchemist where his mechanical limbs couldn't hold him back.
But they give him an advantage. He just doesn't realise.
With who murdered his family still out there, looking for him, and with the horror of that night still embedded into his mind, how is he to graduate on his own without getting killed or killing himself.
A boy with blue eyes helps.
A boy with blue eyes tries to help, at least.

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I'M REALLY BAD AT DESCRIPTIONS SO YEAH.

This was inspired by the anime Fullmetal Alchemist, but it obviously doesn't follow the exact storyline I've just taken bits and pieces, SO YOU DONT HAVE TO WATCH THE ANIME TO GET THIS STORY CAUSE I EXPLAIN EVERYTHING! . (Also a bit of the anime Tokyo ghoul)
This is a futuristic dystopian/utopian world so that's why it's AU.

BOYXBOY

SLIGHT TRIGGERING MATERIAL (I'll put trigger warnings)

EXTREMELY GORY

LONGER SUMMARY INSIDE WITH MORE DISCLAIMERS