In the world of urban legends, some stories are meant to entertain, while others are designed to unsettle you. But every once in a while, a ritual emerges that blurs the line between fiction and reality so convincingly that it leaves people questioning what they believe. One such ritual comes from Japan-a place known for its deep-rooted folklore and haunting ghost stories.

It’s called Hitori Kakurenbo, which translates to “One-Man Hide-and-Seek.” At first glance, it sounds almost childish-a solo version of a familiar game. But beneath that innocent name lies a ritual that has captured global attention for its eerie premise: inviting a spirit into your home to play a game with you.

And once the game begins, you are no longer in control.