Black Rat (クロネズ) Kuronezumi (2010) (DVD) (English Subtitles) (US Version)

From director Kenta Fukasaku (Battle Royale 2, X\-Cross) comes a twisted tale about six high school students faced with a life or death challenge. After receiving a mysterious message from a dead suicidal schoolmate, a group of students are instructed to meet up at their classroom at midnight! Upon their arrival, the group is confronted and stalked through the dark, maze\-like school by a revenge\-crazed, rodent\-masked psychotic killer! Will they discover the killer\x27s true identity and motive? More importantly, who will survive the night? In original Japanese language with English subtitles.

He last entertained us with oddball action in Yo-Yo Girl Cop ... now Japanese director Kenta Fukasaku is back with another nut-job weird horror creation featuring high school students in a battle for survival against a masked maniac killer ... Who is this rat-masked person?! --24 Frames Per Second