Three days later, he saw her again. But this time, the video was different. She was outside. The sun was behind her. She was smiling—not a performer’s smile, but the wobbly, real kind. The text read: “Someone saw me.”

He became obsessed. He built a script. An auto-clicker. A heart-factory. 10,000 likes an hour. He targeted the hashtags no one used: #nobodycares, #invisible, #lasttry. He flooded the forgotten rivers of the app.

And for the first time in six months, Leo typed back.