Originally, the villain plays the role of driving the plot forward.
The tension and sense of crisis caused by the villain are what create the immersion in the story.

When it comes to acting as a villain, the most important thing is, of course, charisma.
The villain’s presence is meant to establish them as a powerful force, maximizing the interest in the story.

Perhaps that's why...

‘I thought this might be a bit too heavy for Ha-eun.’

Among those who had doubts about Ha-eun's casting, there was Jeong Jae-han’s role, played by Seo Jin-tae.

He didn’t undervalue Ha-eun's …