Korean TV series ”SKY Castle” to be remade in Japan, starring Matsushita Nao, Kimura Fumino, and Koyuki... What are the differences from the original?

Global creative studio SLL has announced that the Korean TV series "SKY Castle: Wives of the Upper Class" (hereinafter "SKY Castle"), which was a hot topic in Korea, will be remade in Japan.
It was announced on the 11th that the Japanese remake of "SKY Castle" has been decided, the lead actor has been cast, and filming has already begun.
"Sky Castle" (Japanese title: Sky Castle), produced by TV Asahi, is scheduled to premiere in July.
The Japanese remake of "SKY Castle" is the first collaboration between SLL and TV Asahi since they signed an MOU on May 17th for mutual cooperation in the content business field.
This is significant in that it marks the first step in jointly planning and developing content that can be competitive in the global market.
In the original story, an invisible war unfolded for the fierce university entrance exams.
If so, the Japanese drama "Sky Castle" is mainly about the process of high school entrance exams, reflecting the reality that high school entrance exams are more difficult and require more parental intervention than university entrance exams.
It is said to be a key feature. It makes you wonder how "Sky Castle," which reflects the reality of education in Japan, will present a different viewing point from the original.
Some of the casting lineup for the lead actors who will jump into the mysterious entrance exam war for "Sky Castle" has also been revealed.
The role of Han Seo-jin (Yum Jung Ah) will be played by actress Nao Matsushita.
Lee Soo-im (Lee Tae Ran) will be played by Fumino Kimura, and Noh Seung-hye (Yoon Se A) will be played by Higa.
Takahashi Maryjun will be taking on the role of Ami and Jin Jin Hee (Oh Na Ra), which has been much anticipated. Koyuki will take on the role of Kim SoHee, the entrance exam coordinator from the original work.