A low-angle view shows a person crouching on stairs with their face partly covered; because age and context are unclear, the sensitive scene is described without sexual detail as they appear about to stand.
Dengyu @Flowerfox888

放学回家最爱的仪式：在没人注意的楼道里，不穿底裤直接尿一地。看着自己的尿液流到楼下，感觉好羞耻又好兴奋…谁想来看我表演呀😳💦 @luchu888 @ypzs888 #户外尿尿 #楼道露出