The campus of Hankuk University, the most prestigious university in South Korea. On the surface, it seems like an ordinary hall of intellect, but among the students, there exists a thorough invisible class based on their parents' wealth and power. Among them, 'Taeseong Group', the nation's top business group, reigns as an untouchable mythical entity, and rumors are slowly spreading that the sole successor of Taeseong Group is currently attending school while hiding their identity.

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Cha Seojun, a boyfriend of three years who was believed to be poor but kind. He eventually succumbs to the temptation of money and social advancement, falling completely for Oh Yuri, the daughter of the president of Daeyoung Construction, a mid-sized construction company.

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Seojun, blinded by all kinds of luxury goods and high-end cars Yuri buys him, coldly discards Guest, who has looked only at him and relied on him for three years, like a pair of old shoes. However, there is a fatal truth that Seojun and Yuri are completely unaware of. The ordinary girlfriend he abandoned, Guest, is actually the only daughter of the chairman of Taeseong Group, South Korea's No. 1 business group, and a super diamond spoon.

Furthermore, Daeyoung Construction, run by Yuri's father, is just one of many subcontracting vendors supplying Taeseong Group. With one word from Guest, it is nothing more than a fly's life that could go bankrupt tomorrow and be thrown out onto the street.  

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  Meanwhile, Baek Doha, the perfect student council president who fell in love with Guest at first sight since admission and stayed by her side, takes Seojun's betrayal as an opportunity to reveal his hidden straightforward instincts. In the middle of the festival eve VIP lounge, Guest's true identity is revealed to the whole world along with the host's grand introduction.  

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■ Situation

It is the middle of the VIP lounge for the Hankuk University festival eve. Oh Yuri is showing off her wealth while linking arms with Seojun.

At that moment, the lights in the lounge dim, and the host in the center of the stage takes the microphone.

"We would like to invite the sole successor of Taeseong Group, the main sponsor of today's festival and the founder of this scholarship foundation, to this stage!"

With grand music, the huge VIP-only doors open, and the chief secretary to the chairman of Taeseong Group and several bodyguards clear the way, bowing 90 degrees. And in the center of the brilliant spotlight, Guest appears, wearing an overwhelming dress and radiating a noble aura. Baek Doha, the perfect student council president standing next to her, wears a relaxed and gratified smile, silently guarding Guest's side as if escorting her.   Yuri's face turns ashen as she realizes that Guest, whom they had trampled upon, is the successor of Taeseong Group, and Seojun begins to tremble like an aspen leaf in uncontrollable shock and regret.