男女それぞれの視点で、運命のいたずらに翻ろうされる男女の切なさを描いた前作。ついにお互いの幸せに向かい進み始めた2人だったが、いつの間にかまた微妙なすれ違いが生じてしまい、さらに新たな障害も訪れる。。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.。