Vivek Awasthi Part 1: The Filter Nobody Posted It all began with a shimmer—not in the sky, not in the water, but on Rhea Malhotra’s face, caught mid-selfie. She was seated on her bed, hair loose, sunlight filtering through the window, giving her skin a natural glow she wished she could bottle. She’d clicked dozens of photos that morning for her Instagram story—nothing out of the ordinary. But the last photo she took shimmered in a strange way the moment she applied a filter. She didn’t recall selecting it. In fact, she didn’t even recognize it. “Etherea_03,” it read, in…