In the dimly lit room, the anticipation is thick. Yixiantian's verification video begins, the camera zooming in on the subjects' hands as they tentatively touch themselves, following the soft-spoken instructions. The screen fills with close-ups of unblemished skin, the camera's gaze intense and unblinking. The participants' breaths quicken, their bodies respond to the new sensations, and the room echoes with the sound of their shared discovery.