The Sacred Star of Milos is an original story, not an adaptation: Edward and Alphonse Elric on a side adventure set during the manga's timeline, released as the film of Brotherhood, the anime that follows the manga.
Animation· 2011· Action
鋼の錬金術師 嘆きの丘の聖なる星 (Fullmetal Alchemist: The Sacred Star of Milos)
by 村田和也 Kazuya Murata
鋼の錬金術師 嘆きの丘の聖なる星 (Fullmetal Alchemist: The Sacred Star of Milos): it draws on 1 recorded source.
What influenced 鋼の錬金術師 嘆きの丘の聖なる星 (Fullmetal Alchemist: The Sacred Star of Milos)
The works this one is recorded as drawing on.