[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 outfit in <Picture 3> — navy blazer, tailored jacket, gold buttons; white dress shirt, button up, long sleeves, collared shirt; navy slacks, straight leg, high waist, pants; black pointed toe pumps, high heels, black shoes; pearl stud earrings, small.
bright fluorescent light

[Shot 1] framing=close-up on the face camera=locked. <Subject 1>'s hand closes around the cup and draws it toward herself, her eyes widening slightly as she looks up toward the camera. <Subject 1> is seated at her desk facing the camera. <Subject 1> (S1) says: <d>[Korean] …여기에 설탕 넣었어? 나 원래 안 넣는 거 알면서.</d>
[Shot 2] At 00:02.333, framing=bust shot, chest up camera=locked. <Subject 1> brings the cup to her lips and sips, then frowns slightly. <Subject 1> is seated at her desk facing the camera.
[Shot 3] At 00:04.667, framing=close-up on the face camera=locked. <Subject 1> sighs and looks up toward the camera, her eyes scolding yet the corners of her mouth loosening slightly. <Subject 1> is seated at her desk facing the camera. <Subject 1> (S1) says: <d>[Korean] 어제 일 때문에 정신이 없었나 보네. 밤새 잘 잤어?</d>

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.