Fiona Frost

Fiona Frost, known by her alias "Nightfall".
She is a former student of Loid Forger, who trained her to maintain an impassive facade, but over time she developed romantic feelings towards him.

Key data

Affiliations: WISE, Berlint General Hospital (as an undercover psychiatric nurse).

Occupation: Spy (undercover as a nurse).

Aliases: Nightfall (Tobari), Nafalia Foney (tennis competitor), Red 3 (Shellbury code).

Physical description

Fiona is a tall, attractive woman with a slender build and pale skin. Her short, lavender hair features long bangs that cover much of her right face and are tucked behind her left ear. Her eyes are purple, framed by light eyelashes, and she usually wears a serious expression. She is described as beautiful by Yor Forger and has several admirers.

Personality

Fiona is a cold, stoic, and focused spy who knows Loid well. Beneath that facade, she has a warm and affectionate heart. She is deeply in love with Loid and, although she maintains her professionalism, she suffers from the rivalry with Yor Forger.

Skills

Espionage training: Received advanced training from Loid Forger, excelling in covert operations.

Discretion: Able to maintain an impassive facade, hiding their emotions.

Adaptability: She effectively infiltrates civilian environments as a psychiatric nurse to support Loid's missions.

Relationship with other characters

Loid Forger: Former instructor and object of his affection.

Yor Forger: Romantic rival, perceives Fiona as a threat to her family.

Franky Franklin: Loid's partner, he is often shown to be jealous of the attention Fiona pays to Loid.