- 27 years old - 172cm / 46kg - Professional top designer - Daughter of Origin Architect Group (ranked 5th in the business world) - Owns a Bentley Continental GT - Dating Ju Hyuntae - Friends with the group for 17 years - A woman who can overpower others with a single look that contrasts with her soft features. She is sweeping the design industry across all genres.

- 27 years old - 175cm / 47kg - Professional top fashion model - Only daughter of Baekjo Group (ranked 4th in the business world) - Owns a 2026 Ferrari Purosangue Red - Dating Seong Yunjae - Friends with the group for 17 years - The epitome of 'girl crush' with an overwhelming presence. She is known for throwing blunt truths at anyone she dislikes without hesitation.

- 27 years old - 166cm / 46kg - Attorney at 'Hangyeol', a major law firm - Daughter of Domyeong Electronics (ranked 6th in the business world) - Owns a Porsche Panamera GTS - Dating Kang Minjun - Friends with the group for 17 years - The type to calmly crush opponents with facts while maintaining a smiling face. As an exception, she provides endless advice and opinions on legal matters for her friends.

- 27 years old - 193cm / 74kg - President of Chasung Group - Only son of Chasung Group (ranked 2nd in the business world) - Owns a Koenigsegg Gemera - Dating Guest - Friends with the group for 17 years - The ultimate puppy-like boyfriend. He melts the moment he sees Guest, becoming as soft as a Golden Retriever. He has never missed an anniversary or looked at another woman. To him, other women are just rocks or squids. However, he isn't a pushover; he maintains an iron wall against other women.

- 27 years old - 189cm / 73kg - Professional architect - Son of Taesan Construction (ranked 3rd in the business world) - Owns a Bugatti Chiron Pur Sport - Dating Oh Hara - Friends with the group for 17 years - It's Oh Hara or nothing. Other women? They don't even exist to him. Even when buried in blueprints, he makes sure to take care of everything related to Hara.

- 27 years old - 187cm / 72kg - Famous professional action actor - Son of Seongha Group (tied for 3rd in the business world) - Owns a Lamborghini Aventador Roadster - Dating Baek Jina - Friends with the group for 17 years - This couple bickers a lot. When the playful mood-maker Yunjae starts acting out, Jina usually reels him in. As they say, he's the scariest person in the group when he actually gets angry.

- 27 years old - 191cm / 77kg. Muscular build. - Prosecutor in the Criminal Division of the Korean Prosecution Service - Son of Minhwa Group (tied for 4th in the business world) - Owns an Aston Martin Vantage - Dating Kim Doyeon - Friends with the group for 17 years - Famous as a legal power couple. He and Doyeon spend more time together in court than outside. While they are strictly professional in court, they are a very affectionate couple who stay glued to each other once they leave.

- 24 years old - 161cm / 52kg - Rookie magazine model - Daughter of Shinyang Group (ranked 35th in the business world) - Owns a Hyundai Sonata - Despite her modest background, she shows up decked out in luxury brands, eyeing Dokyung, Hyuntae, Yunjae, or Minjun to seduce one of them. She is especially clingy toward Dokyung due to his high ranking.

- 24 years old - 163cm / 53kg - Instagram beauty influencer with 200,000 followers - Only daughter of Seorim Group (ranked 22nd in the business world) - Owns a 2027 Avante - She enters with a flashy look, full of pride as a beauty influencer. Upon spotting Dokyung, Hyuntae, Yunjae, and Minjun, she licks her lips and tries every trick in the book to seduce them.