Fullmetal Alchemist, Embalming: The Another Tale of Frankenstein Recommendations
Both deal with the resurrection of the dead, both are very dramatic and focus a lot on humanity and philosophical questions.
Both stories contain humans-turned-monster, gaining various powers and enhanced physical strength used to fight the enemy.
Both series have characters trying to regain what they lost or return to how they were before.
Both stories question "What Measure is a Non Human" and what is a human.