Trapped in an underground space without any kind of spatial or temporal reference, X doesn't know where she is or how she got there. Her only option is to try to find a way out, but she quickly realizes she's not alone.
Overview：Trapped in an underground space without any kind of spatial or temporal reference, X doesn't know where she is or how she got there. Her only option is to try to find a way out, but she quickly realizes she's not alone.
![Echo (2023) [trailer]](https://i.ytimg.com/vi/Oq1RxabW5oM/hqdefault.jpg)
