Kurôzu-cho, a small fogbound town on the coast of Japan, is cursed. According to Shuichi Saito, the withdrawn boyfriend of teenager Kirie Goshima, their town is haunted not by a person or being but by a pattern...

When he woke up, he was in a room he didn't recognize. A little girl, Lulu, called him "Big Brother." "We're all here, I'll go get Dad!" Then Lulu left the room with a bright smile. He didn't know where he was....

The highschooler Keita Yatsuhaka has a crush on Manami Yotsuya, his schoolmate. They used to be good friends, but they've grown distant. One day, Yatsuhaka's friend, Kikka Kasanegafuchi, tells his fortune...