WISE In Spy x Family

The Westalia Intelligence Services' Eastern-Focused Division (W.I.S.E.) is the Westalian spy agency Twilight works for, whose main objective is to counter any initiatives within Ostania that may threaten the peace between both countries.

Sylvia Sherwood

Twilight's handler or contact at WISE, who gives him most of his missions and oversees Operation Strix. She works as an attaché and secretary in the embassy as a front for her intelligence act. She is called Fullmetal Lady by her agents due to her exceptional abilities and personality. She tends to give her agents a hard time and overworks them, especially with Twilight, whom she directly trained when he just joined the espionage work. Her training was apparently harsh and traumatic for Twilight, which he still remembers until this day.

Twilight

Twilight possesses a vast amount of talents and skills in espionage and in real life. Although he appears to be manipulative and pragmatic when accomplishing his missions, he reveals his soft side and shows himself to be a good person to his fake family. He lost both of his parents and his close friends when the war started. After being recruited by Westalian Intelligence Agency and discarding his identity, he was trained by harsh and rigorous methods which have still traumatized him until this day. He later became the spy Twilight who aimed to create a world where children don't need to cry.

Fiona Frost

An intelligence agent code-named Nightfall, Twilight's espionage partner and coworker at Berlint General Hospital, where she works as an undercover clerk. She was trained by Twilight and has been following his teaching in an extreme way. Possessing an athletic physical and a cunning mind, she is showed to be a capable and proficient spy. Taking in Twilight's words, she hides all of her emotions and appears to be emotionless, making people see her as a ruthless opportunist, readily resorting to do anything to achieve her goal.

WISE Veteran Agent
An agent who seems to be a close associate and assistant to Sylvia. He sometimes appears on the field to assist Loid and Sylvia in big missions, getting himself in dangerous and life-threatening situation. He is experienced in espionage and is able to discern unreliable and false information. He also displays his empathy with the late Ostanian Colonel Erik Zacharis for his hidden starlet photo collection.

WISE Rookie
An inexperienced agent who works under the tutelage of Sylvia. He is easy to be swayed by false information and his own emotions, which leads to incorrect assessment of the situation sometimes.