The filming of the movie <FIN> was even more hectic than he had anticipated.

...

In the midst of the relentless shooting schedule, the smiling face of Rodel flickered in Yoo-il's mind.

...It wasn't supposed to mean that all filming had to be done during the break.

Of course, the tight schedule was not just due to Yoo-il's availability. It was a decision influenced by Rodel's preference for quick progress, the production company's circumstances, and the virtual studio's timelines, meshing together like cogs in a gear.