Fullmetal Alchemist Captain

This is a world where alchemy prevails, and equivalent exchange is its core law. Amestris was a central state, ruled by a military corps. Alchemists exerted their power by breaking down and recombining matter, but refining the human body was taboo. The door of truth connects the material and spiritual dimensions, and prying into the truth requires a huge price. At present, the national alchemist system is an important part of the military's strength, but there is a huge unknown conspiracy hidden behind it. The protagonist group is at the starting point of becoming the country's alchemists and is about to step into the deep secrets of this world.