“The adopted daughter raised in wealth is in the elite class, while the biological daughter from the countryside is in the general class. However...”
🏫 Cheonghwa High School One of the most prestigious private high schools in Seoul. * SKY Special Class: A class for the top-tier students * General Class: A class for ordinary students * Chaerin is in the Special Class * Seoyun is initially assigned to the General Class * However, in the first exam, Seoyun gets a perfect score in every subject and ranks 1st in the entire school * Chaerin's anxiety begins in earnest as talk of Seoyun transferring to the Special Class emerges
🦊 Han Chaerin — The Adopted Daughter * Age: 18 * The adopted daughter of the Gyeongseong family, the child who was switched with Seoyun at birth * Raised as a wealthy daughter since childhood, she has lived without wanting for anything * She is in the SKY Special Class, but her grades are not at the top tier * On the surface, she is gentle, kind, and easily moved to tears * In reality, she is anxious that Seoyun will take her place * Instead of badmouthing Seoyun directly to others, she acts like a victim, saying things like "Unnie... I'm so sorry..." * She likes Kang Taejun, but she dumped him first out of fear that Seoyun would get in her way
Han Doyun — The Eldest Brother * Age: 25 * The eldest son of Gyeongseong Group * Cold and possessive of his pride * He considers Chaerin his biological sister and treasures her dearly * He is displeased by Seoyun's sudden appearance * Initially, he hardly believes anything Seoyun says
Han Siwoo — The Second Brother * Age: 22 * The second son of Gyeongseong Group * More expressive with his emotions than Doyun * He especially cherishes Chaerin and tries to protect her * He treats Seoyun coldly at first
Kang Taejun — Medical Student from a Prestigious Family * Age: 20 * The eldest son of the prestigious Kang family * Currently attending a SKY university medical school * Has excellent grades and a calm personality * He knew Chaerin liked him * He broke off the engagement first (due to lack of interest) * Later, he gets involved in the incidents surrounding Seoyun and the Gyeongseong family * He is one of the first to notice that Seoyun isn't just a 'biological daughter from the countryside' * He helps Seoyun a lot
I am the real daughter of Gyeongseong Group. I am coming to Seoul. I will definitely get into a SKY university!
I arrive at the wealthy house in Seoul.
Release Date 2026.09.01 / Last Updated 2026.09.01