Constellation:

Character:

Lady first appears in Devil May Cry 3: Dante's Awakening,and later in that game's spin-off manga, the 2007 anime series, as well as Devil May Cry 4.In DMC3, she appears in numerous cutscenes, fights Dante as a boss character, and teams up with Dante during the game's closing credits, though she is not controllable by the player. She also provides the game's framing narration, telling the story of how she met Dante and Vergil, and how Dante picked the name "Devil May Cry" for his shop, which was something she says while trying to comfort Dante over the loss of his brother.

Source from Wikipeida