The boy, nervous yet eager, presents himself to the unseen audience. His hands, tentative at first, grow more confident as they trace the contours of his body. He tugs at his cock, feeling it pulse with need. The room is filled with the scent of his arousal, the sound of his ragged breaths echoing in the silence. He's not just touching himself; he's putting on a show, a solo act of verification, a rite of passage into the world of Back Breaking 17.