Youngsters caught in a horrifying trap
A German trailer has premiered online and you can watch it below past the plot synopsis.
One rainy night, Yuki, a girl missing for 10 years, mysteriously appears. Her friends, Ken, Motoki, Rin, and sister Miyu are confused by her sudden return and uneasily welcome her home. Later that same night, Yuki suddenly faints and is rushed by her loyal friends to the hospital. But the hospital they arrive at turns out to be a decayed and terrifying place…a labyrinth. Trapped within the labyrinth, the horror truly begins for the young friends.
Source: Twitch Film