This is a hypothetical variation of Zelda II: The Adventure of Link which places the character of Lady (Princess Zelda) into a central role, using the game's original assets. It likely represents a hypothetical alternative, potentially developed by fans for the purposes of exploring alternative storylines or character perspectives. Specific changes to gameplay remain unspecified. 

Zelda II - The Adventure of Lady Link Vanilla

Zelda II - Adventures of Marisa Kirisame