Spriggan (スプリガン) is a manga that was initially published in Japan by Shogakukan from 1989 to 1996.
For the full list of chapters see Chapter Guide.
Powerful OOPArts appear in various places in the world. The ARCAM Corporation placed itself the guardians of the OOPArts in order to prevent them from being used as weapons and tools to gain power over the world. It sends the Spriggans to fight the villains, paramilitary organizations and nations that try to seize the OOPArts.