[Protagonist] A 2nd-grade elementary school girl with a black bob cut
[Setting] A pedestrian bridge in the evening
[Opponent] People in town
[Gimmick] Sighing

[Video Style]
15 seconds. Japanese full-color anime. High-density 2D animation with a 500 million yen budget scale. Meticulous background art, smooth in-betweens, cinematic quality compositing. To ensure visual variety, vary the composition, camera angles, screen sizes, and character distancing for an engaging flow. No subtitles, no watermarks, no BGM. Ambient sound included.

[Visual Structure] A modest sigh from the protagonist somehow triggers planetary-scale physical phenomena. Aerial shots show the scale of the impact while she continues her daily routine with a deadpan face. Finally, she cleans it up herself as if nothing happened.

Shot 1 (Shock Hook): Evening pedestrian bridge. The protagonist's sigh sends real shockwaves through the ground. She remains completely expressionless.
Shot 2 (Scale): Switched to an aerial shot. The impact spreads in a circle from the center of the sigh on a city scale. The protagonist seems completely oblivious.
Shot 3 (Daily Life): The protagonist continues her usual daily actions with a straight face. A detached and cool expression.
Shot 4 (Second Shot): She accidentally sighs again, and a second circle overlaps the first. She tilts her head in puzzlement.
Shot 5 (Evacuation): Surrounding birds and cats evacuate quietly as if accustomed to this. The protagonist is entirely unaware and composed.
Shot 6 (Convergence): When the protagonist clears her throat, the ground and city somehow rewind to their original state. A composed and serene expression.
Shot 7 (Nonchalance): The protagonist fixes her bangs and says nonchalantly, "That was good ventilation," then walks off normally.