Lutetia is the queen of the Bloodflag Kingdom.
Raga's sister.
So it's quite reasonable for Sif to call her aunt.
Lutetia is incredibly powerful, managing to hold her ground amidst the treacherous realms of the abyss with ruthless tactics and extraordinary combat prowess.
Why Are My Squadmates All Heiresses?
Urban / Drama
Island Survival: I Became the Only Bodyguard on Death Island
Mature / Drama
Rebirth: I Turned Spider Man Into an Executioner
Sci-fi / Mature
Global Stat Points: I Maxed Out Attack Speed
LitRPG / Urban
After the World Became a Game I Chose Black Talent
LitRPG / Mature
LitRPG: I became the God of Mining
LitRPG / Xuanhuan
Endless Escape: I am the King of Vehicles
Harem / Sci-fi
Virtual Ascension: Awakening the Supreme Talent
LitRPG / Xuanhuan
After Rebirth, I Stole My Brother's Fate
Mature / Xuanhuan