South Korea in the 'Study Society' and 'Personal Network Society'. The topic is the famous producer's former member school. .

● Seoul University former member: “SM” Lee Soo-man, “BTS” Pan Si Hyok PD, TV Series “Respond” Series Shin Won Ho PD

● Korea University former member: Kim Taeho PD of "Infinite Challenge"

● Yonsei University former member: “One night and two days” “Yun dining room” ‪ “Nin Xi Yuuki” Na Young Seok PD, “JYP” JY Park PD ‬

‪ ※ The initials of the above three universities, "SKY," is a symbol of Korean academic society. The TV Series "SKY Castle," which is ironic of this, is the title that is related to this. 。

‪ ※ ※ Korea where "student" becomes "personal connection". YG "Yansa" Yang Hyun Seok PD is "high school" and works hard in the entertainment world. 。