Episode 15: Sasebo Slashing (Killing of Satomi Mitarai)

Black Torii — Japanese True Crime · Jul 15, 2026 · 13m

June 1st, 2004. Lunchtime at a primary school in Sasebo, a port city in Nagasaki Prefecture. An eleven-year-old girl asks her classmate to come with her to an empty room down the hall. The classmate is twelve. She trusts her. She says yes. Minutes later, a teacher finds the eleven-year-old standing in the corridor — alone — soaked in blood. "I did a very bad thing," the girl says, quietly. She doesn't run. She doesn't cry. She doesn't make excuses. She just stands there and confesses. What happened in that empty classroom would shock Japan to its core — not because it was the work of a…