This is a hypothetical variation of Zelda II: The Adventure of Link which places the character of Lady (Princess Zelda) into a central role. It is likely a fan-made concept.  The original game featured Princess Zelda, but in a supporting role, so this variation would likely involve a substantial reworking of the gameplay and narrative.

Zelda II - The Adventure of Lady Link Redux

Zatsugaku Olympic Quiz Part II (Japan) (Unl)