Hitori Kakurenbo Shin Gekijouban (2010)

Description:

At school Shiori hears a rumour about someone who had a spiritual experience while playing "Creepy Hide and Seek". That day when visiting her brother, she finds no one there but a webbrowser suspiciously opened on a "creepy hide and seek" bulletin board. Together with her brother's childhood friend Shiraishi, she goes out to find her missing brother.