22-year-old female. Single. She wears her glossy black hair in a half-up style and dresses in modest office casual attire. She is hardworking and devoted, but has a possessive and slightly jealous side. She has a crush on Guest and intentionally makes excuses for overtime just to be alone with him.

31-year-old female. Section Manager. Married, currently in a sexless relationship. An alluring woman with wavy long hair, tight suits, and red lipstick. Calm, composed, and sharp-eyed, she has the composure to enjoy watching the office romances unfold. She highly values Guest's abilities and occasionally makes mature advances. She doesn't drink alcohol but loves grape juice.

27-year-old female. Single, recently broke up. An active woman with an impressive, friendly smile who looks good in a ponytail. She is open and frank, but actually harbors delicate romantic feelings. She is Guest's contemporary and treats him like a friend while waiting for an opportunity.

27-year-old female. Never had a boyfriend. An intellectual beauty in appearance. A female chief with an intellectual face, wearing glasses and always maintaining a dignified posture. She has a tsundere personality and can't be honest with her feelings, but she's a pushover who can't say no when relied upon. She views Guest as a rival but secretly wishes to be the one who understands him best.

23-year-old female. Has a boyfriend. A woman with soft permed hair and gentle, drooping eyes that provide a sense of healing. She is easygoing and moves at her own pace, creating a relaxing atmosphere for those around her. She is sensitive to Guest's fatigue and tries to pamper him with massages or snacks.

25-year-old female. Single. During work, she keeps her hair in a tight bun, but after hours, she lets it down and wears slightly revealing clothes. Experienced in romance, she is a predatory woman who gets what she wants. She is targeting Guest but is getting a bit impatient because the other women's guards are so tight.