In a cramped, dimly lit room, a brother and sister huddle together, the air thick with tension. She's supposed to be tutoring him in Bengali, but her eyes keep drifting to his crotch, his bulge growing with each passing moment. He shifts uncomfortably, trying to hide his arousal, but his t-shirt does little to conceal his excitement. Their voices lower, words blurring into moans as they discuss the forbidden, their breaths syncing in a rhythm that's anything but academic.