[Terasu MC] Nightfall's Infiltration Report (SPY×FAMILY)

A desperate infiltrator named Fiona Frost, also known as Nightfall, races to uncover a hidden diary that could expose the secretive mastermind King. She discovers the diary belongs to Yor Forger, whose intimate encounters with the powerful King have left both women yearning for more. The story builds tension as the two women, drawn together in a sultry threesome, navigate betrayal, desire, and the looming threat of discovery.