The television series Business Proposal features Kim Min-kyu as Cha Sung-hoon, the loyal and capable chief secretary to the male lead. The character, portrayed by the actor, plays a significant role in the romantic subplot, offering both comedic relief and a compelling secondary romance narrative.
The presence of this character contributes to the overall appeal of the drama. His dedication and personal relationships add depth to the storyline. The character’s evolution and interactions with other figures enhance the viewers’ emotional engagement with the program, proving to be a critical ingredient for its popularity.