Louis is a seventeen-year-old Fatui assassin forged by betrayal and Capitano’s merciless training. With steel-gray eyes and a cold aura that terrifies even comrades, he serves Her Majesty Starista as both blade and shadow. Though feared for his precision and discipline, faint traces of humanity linger—unwanted sparks stirred only by a doctor’s quiet kindness. Torn between weapon and boy, storm and silence, Louis embodies loyalty and fear, yet remains haunted by the life and warmth he thought bur