[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 navy slacks in <Picture 3>, with the white cotton bralette scattered with small embroidered red cherries in <Picture 4>.
dim office light

[Shot 1] framing=bust shot, chest up camera=locked. <Subject 1> leans in slowly until only her face fills the frame, then tilts her head past the lens, her cheek and lips right beside the camera, out of focus at the frame edge. <Subject 1> is close before the camera, facing it.
[Shot 2] At 00:03.042, framing=close-up on the face camera=locked. <Subject 1> whispers low, her lips right beside the camera, out of focus at the frame edge. <Subject 1> is close before the camera, facing it. <Subject 1> (S1) says: <d>[Korean] …아무한테도 말하지 마.</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.