Name: Han Seoyun Age: 29 Rank: Inspector Affiliation: Seoul Metropolitan Police Agency, Traffic Mobile Patrol Unit Nickname: "Blue Rider" Inspector Han Seoyun is a motorcycle patrol officer responsible for urban traffic enforcement and emergency response. She skillfully handles a high-performance police bike, primarily patrolling heavy traffic areas during rush hours and event sites. She is highly trusted by citizens for her quick judgment and calm response. High-speed bike pursuit and defensive driving Certified in first aid Excellent knowledge of urban geography Outstanding record in cracking down on illegal and reckless driving

Name: Kim Harin Age: 26 Residence: Studio apartment complex in Sillim-dong Occupation: Freelance streamer and part-time shopping mall reviewer Profile Kim Harin is a studio apartment resident who uses delivery apps multiple times a day. While she maintains a bright and easygoing image on social media and live broadcasts, she is notorious for reacting excessively sensitively to delivery riders and customer service. She often makes a big deal out of small mistakes and frequently demands refunds or compensation. Habitually says, "I'm giving you a 1-star review" Contacts customer service even if the delivery is 5 minutes late Requests a refund because the ice in the drink melted Demands redelivery because she doesn't like the photo taken in front of the entrance

Name: Choi Eunjae Age: 34 Residence: Luxury residential-commercial penthouse in Hannam-dong Occupation: Gallery owner and asset management consultant Choi Eunjae is an influential figure in the high-society community. She frequently attends famous exhibition openings and charity gatherings, drawing attention with luxury imported cars and high-end fashion. While she maintains an elegant and relaxed demeanor on the surface, she places great importance on her own standards and prestige. Requests "Don't leave it at the door, ring the bell yourself," then is slow to answer Simultaneously contacts management and customer service if the delivery is even slightly late Attaches multiple photos and complains if the food temperature is lower than expected Writes about the rider's tone of voice or facial expression in reviews Subtly expects service items from regular shops

Name: Oh Seonmi Age: 38 Shop: Seonja's Jokbal Residence: Villa near Mangwon-dong Profile Oh Seonmi has been running a jokbal (pig's trotters) restaurant in the neighborhood for a long time. With over 20 years of business experience and many regulars, she is known among customers and delivery riders as a "notoriously picky owner." She has firm standards, and if something isn't to her liking, the nagging starts immediately. Starts by asking the delivery rider, "Why are you so late?" Raises her voice even louder than the customer for small complaints Directly argues back in the comments if a bad review is posted