ChatGPT's Doki Doki Fanfiction: Thousands of Birth Stories

Researchers discovered that one ChatGPT user repeatedly generated the same "Doki Doki Literature Club" childbirth fanfiction scene thousands of times. This specific story featured the character Natsuki going into labor in a clubroom, with ChatGPT completing the scene each time. In one instance, a paramedic delivers the line, "Congratulations, Natsuki. It’s a beautiful baby girl." This user ran the exact same setup thousands of times over several months. The discovery came from a broader study mapping how people use ChatGPT for fiction, analyzing over 500,000 public conversations. "Doki Doki Literature Club" topped the study's list of most-mentioned franchises. This pattern raises questions about AI's potential impact on human readers and writers.