Do you want to compare Oya with Duplicate Girl? Discover the powers, weakness & weapons of Oya and Duplicate Girl from Oya Biography and Duplicate Girl Biography. Find out all about Oya and Duplicate Girl.# Check out how is Oya unique and distinct from Duplicate Girl. Discover their love interest, sidekicks, family tree and the movies and games list in which Oya and Duplicate Girl have appeared. Find out everything about them here!