“There’s no need for you to memorize and calculate everything. You just have to memorize the scenes by takes, and we’ll guide you every time,” the advertising manager said to Woo-Jin.

Woo-Jin smiled briefly while glancing at the advertising manager, who told him that it would be easy as long as he followed directions. He found it funny that the manager talked about it so easily when he would be the one acting it out.

After doing some simple calculations, Woo-Jin turned off the video and looked closely at the sword that he’d been holding the entire time so he could get used to it. It was heavier than he thought and needed more time to get used to it. The blade was light, but the sword's balance wasn't right because the handle was heavy from all the fancy decorations, so he needed more time to get used to it. Still, the decoration on the handle wasn’t pointless as it represented the telecommunications company’s logo. When he held the sword upright and looked at the overall design, it was an amazing commercial item.

Woo-Jin walked in front of the green screen, calculated the movement and time for each take, and considered the springboard that was painted green and the location of the mini stairs. During all of this, he was still holding onto the sword.

“You have to draw the sword while carrying it on your back, so it probably won’t be easy. If you can’t do it after practicing...