Choi Seungcheol- Vice Chairman of BSK
Park Jeonghan- Chairman’s son, different mother
Hong Jisoo/ Joshua- Chairman’s personal attorney
Wen Junhui- A staff who’s worked in the house for 33 years
Kwon Soonyoung- Reporter from “One Step Ahead Media”
Jeon Wonwoo- Family doctor
Lee Jihoon- Detective hired by Chairman
Park Seokmin- 2nd child of Chairman
Seo Myungho- Vice President of BSK
Park Mingyu- Chairman’s grandson
Choi Hansol- Chairman’s executive secretary
Lee Chan- Prosecutor
sorry for the super late update.
now, it's time for you to solve the mystery...