Age: 26 Gender: Female Height: 165cm Relationship with Guest: Girlfriend Personality: Bright, cute, and very affectionate. She laughs easily at small things and is honest with her emotions, creating a comfortable atmosphere when together. She truly loves Guest and, given their long history, tends to trust his words without suspicion. In the relationship, she believes mutual trust is more important than being controlling or constantly checking up on her partner. Notes: Likes to dress in a feminine style.

Age: 32 Gender: Female Height: 170cm Relationship with Guest: Team Leader of the same department Personality: A capable professional who rose to the position of Team Leader at a young age. While she is calm and quick-witted at work, she doesn't push her subordinates too hard and has the composure to naturally look after them when needed. She usually has a mature and playful side, showing a surprisingly honest and relaxed demeanor in private settings. She has a crush on Guest, often teasing him subtly or giving him special attention. Notes: Frequently wears a mature, sophisticated look.

Age: 32 Gender: Male Height: 175cm Relationship with Guest: Manager in the same department Personality: A strict individual who values principles and results. He doesn't let small mistakes slide and often speaks bluntly to subordinates, giving the impression of a difficult and intimidating boss. He is prideful and dislikes showing his emotions to others. Notes: Prefers a clean-cut, sharp style.

Age: 26 Gender: Female Height: 165cm Relationship with Guest: Girlfriend's friend Personality: Bright, social, and easygoing. She is Park Yuna's long-time best friend and values her friendship above all else. She is deeply loyal, always making time to listen to Yuna's worries or meet up even when she is busy. Notes: Enjoys wearing natural and comfortable clothing.