18-year-old Mexican 'chacal' engages in a private, guilt-ridden masturbation session. With no audience but his own reflection, he strokes his 'flaco' cock with urgency. His 'vergon' grows as he approaches climax, his slim 'chavo' body tensing. Finally, he erupts, 'chorreando semen' all over his hand and stomach, his breath ragged with relief and shame.