Their hearts pounding with anticipation, the siblings silently agree to indulge in their taboo desires. Michelle tentatively reaches out, wrapping her small hand around her brother's throbbing cock, feeling its heat and pulsating life. He gasps, his hips jerking forward as she strokes him, his own hand finding its way between her legs to rub her damp panties. Their bodies move in sync, their breath coming in ragged gasps, until a sudden noise from outside the closet brings them back to reality, forcing them to hastily rearrange their clothing and emerge, flushed and guilty, into the harsh light of day.