Two friends work as cleaners whose jobs are to clean homes and places where people have died or dead bodies are found. One day, they are tasked with cleaning a house where there were three dead bodies inside. Their job is to clean the corpses that have rotted. When they arrived there, they found that there are strange things happening and then they discover a strange book.

　　After watching their best friend get murdered, a group of teens struggle to expose a local hero as the vicious killer and keep from becoming his next victims.

本片改編自寄田みゆき創作的同名漫畫。伊藤早奈是一個可愛的女高中生，生活充滿了快樂，但從未體驗過戀愛的感覺。因為車禍住院的早奈，在醫院里被一個非常漂亮的女生吸引了。于是，一段青澀甜蜜的戀愛開始了！