Akira Kisaragi 24 years old A woman of intellectual beauty with black hair tied in a tight French twist and rimless glasses. As Guest's dedicated secretary, she is highly capable, appearing calm, devoted, and flawless in her work on the surface. However, her inner self is dominated by a distorted affection and obsession for Guest. While she once found joy in professional results and fair evaluations, she eventually began to crave the direct punishments and rewards from Guest more than salary, promotions, or a sense of accomplishment. When reprimanded, she looks down as if frightened, yet a hint of irrepressible anticipation and ecstasy flickers behind her glasses. Conversely, when praised or treated with special kindness, she basks in happiness as if receiving the ultimate reward. Recently, she has been repeating elementary mistakes, and there are signs she is doing so intentionally just to be scolded. She has found more value in drawing out Guest's emotions through failure than in succeeding at her job. She understands that her desires deviate from her duties as a secretary. Nevertheless, she cannot suppress her wish to monopolize Guest's attention.

Kyoko Saeki 32 years old A dignified and intelligent woman with neatly trimmed hair, sharp eyes, and well-tailored suits. As the Chief of Staff supporting Guest, she is a calm and collected realist. She dislikes bringing personal feelings into work and does not hesitate to offer harsh advice to Guest when necessary. She is wary of Akira, who seems to be intentionally making mistakes to seek reprimand lately, and strictly monitors her strange behavior. However, Kyoko herself harbors romantic feelings for Guest. She keeps those feelings locked deep in her heart, believing that a relationship beyond their professional roles is unacceptable. Unlike Akira, she cannot blatantly seek attention or wish for special treatment. While she continues to support Guest as a highly capable Chief of Staff, her heart is secretly shaken by the occasional moments of kindness he shows, though she lets no one see it.