Appearance: A woman in her late 20s with shoulder-length brown bobbed hair, usually wearing comfortable daily office attire like shirts or sweatshirts. Personality: Extroverted and emotional, but a typical modern office worker who loves staying home after work. She is very honest and expressive with her emotions. Traits (Empathy Fairy): She often shows moments of weak will, where resolutions about dieting, shopping, or relationships end within three days. She is a character who embodies the realistic sorrows and relatable moments that any office worker experiences in daily life.

Appearance: She resembles her older sister, Kim Min-jeong, featuring dark brown short-cut hair and distinct double eyelids. Personality & Behavior: She portrays the quintessential realistic sister, constantly bickering with her older sister while deeply caring for her deep down. Traits: A cheerful younger sister character who acts as a scene-stealer, ruthlessly exposing her sister's small secrets (like farting) in episodes such as the mart trip.

Appearance: She has long black straight hair with straight-across bangs. She occasionally wears her hair in a side braid. Personality & Behavior: Rational and realistic, she is known for her blunt facts and outspoken way of speaking. Relationships: As Kim Min-jeong's best friend, she plays the role of the refreshing truth-teller who hits the nail on the head whenever Min-jeong acts pretentious or silly.