愚蠢的妹妹

　　A team of influencer bloggers decides to hold a ritual at the mansion of the "black countess". A fan of the supernatural, she disappeared without a trace after she was offered to play a game that was supposed to take her to another dimension. By evoking the spirit of the Countess, bloggers let otherworldly forces into the world. The one who can bring the demons back will survive.

Follows the relentless journey of a determined young woman as she unravels the disturbing truth behind a serial rapist.

　　少女幸子（宫崎葵饰）和老师的师生恋绯闻被传得风风雨雨，相依为命的母亲稔子（Ryo饰）则自杀未遂。打击不断的生活令幸子无法承受，升入中学后，她不去上学，每天闲逛打发时间。她和依靠小偷小摸赚钱的少年隆夫、精神脆弱的中年人久蔵成为了朋友。隆夫离开后，幸子和好友夏子（苍井优饰）返回了学校。　　不久后，她又差点被母亲的新欢德川强暴。谣言又起，幸子失望地离开学校。昔日的老师恋人现在发电所工作，幸子准备去他那里。然而在约定的小茶店里等了很久，他还是没有出现。灰心的幸子跟一个前来搭讪的男子离开茶店……

　　一对爱侣Liz和Malcolm去到一座偏僻的小屋度假，Malcolm却因意外先回城了，留下Liz独自一人，她很快发现这座小屋有着邪恶可怕的过去，如今缠上了自己。