Describe the lighting (harsh fluorescent or soft candlelit) and the girl's actions (e.g., staring into the mirror, splashing water on her face, or sitting on the floor).
Write-ups for school-related videos often describe these scenes as a response to stress or social anxiety. The Ultimate Guide to Filming Yourself for YouTube Girl alone in bathroom.mp4
A "sanctuary" where a character goes to avoid unwanted attention or to have a private "conversation with themselves". Describe the lighting (harsh fluorescent or soft candlelit)
A high-definition (4K) shot of a young girl alone in a bathroom setting. She appears pensive while brushing her hair or washing her hands. staring into the mirror
To orient the viewer to the setting or establish a mood of isolation/vulnerability.