[Reference images]
<Picture 1> is the location; keep its layout and furnishings, with all surfaces clear of small objects.

<Subject 1> is the woman with light brown wavy hair in <Picture 2>, wearing the light blue chambray shirt, the skinny fit casual pants and the white low top sneakers in <Picture 3>.
bright fluorescent office light

[Shot 1] framing=close-up on the face camera=locked. <Subject 1> looks up from her monitor toward the camera, then glances down at the coffee cup on the desk with a flat, unimpressed expression. <Subject 1> is at her desk in the center of the office, facing the camera. <Subject 1> (S1) says: <d>[Korean] ...내가 시킨 건 각설탕 두 개에 크림 반 개야. 너 지금 뭘 탄 건지나 알고 있냐?</d>
[Shot 2] At 00:04.458, framing=medium close-up, waist up camera=locked. <Subject 1> lifts the coffee cup to her lips, takes a sip, pauses as if tasting it, then sets it back down on the desk without a word. <Subject 1> is at her desk in the center of the office, facing the camera.

No text overlays, no subtitles, no watermark, no extra people in the background, no camera shake, no jump cuts.
The soundtrack is the room itself and nothing else: the low steady hum of fluorescent lights, faint air movement, the small sounds of paper shifting on a desk. It sounds like a real place recorded on location, not a studio.