Fullmetal Alchemist

This is the story of brothers Edward and Alphonse, who lost their bodies while attempting to revive their mother through forbidden alchemy, as they track down the 'Philosopher's Stone' to regain their original forms. It's a masterpiece with a solid world-building and vast foreshadowing that is perfectly resolved, boasting overwhelming plausibility. This manga intricately and movingly depicts human greed, sacrifice, and the hope that blossoms even amidst despair.