The primary story related to this character, specifically detailed in Fantasy Zone II: The Tears of Opa-Opa , is a surprisingly somber tale for such a colorful game:
: Ten years later, a new crisis emerges. During his battle to save the zone once more, Opa-Opa discovers a tragic truth: the mastermind behind the enemy forces is actually his long-lost father. opa.rar
Opa Stories: Memories Over the Past Nine Decades - Amazon.com The primary story related to this character, specifically