Deepak's strokes become more intense, his grip tight around his shaft. His sister, her breath hitching, can't help but watch, her own hand moving faster between her legs. The taboo of their situation only serves to heighten their pleasure, their bodies responding to the forbidden nature of their actions. As Deepak's strokes become more urgent, his sister's fingers plunge deeper into her wet pussy, both teetering on the edge of climax.