A public transit or station corridor is shown with glass doors, bright overhead lighting, and a person low to the ground near the entrance; the school-context caption makes this a sensitive scene, so intimate details are not described. Likely next moment: the person gets up or someone nearby offers help.
Aika @aika_ksrg

역 안에서 실수로 오줌을 싸는 여고생. 지나가는 사람들이 볼 때 부끄러워하는 모습이 참을 수 없어요☺️