Shibuya Haruko is a high school student living in Tokyo. One night, she is instantly smitten by Kanagawa Kenichi, who is lying prone on a bridge. But Kenichi becomes far more interested in a girl he impulsively hits on, Mayumi, over the high-spirited Haruko.
Chiwawa is a popular girl. One day, her dismembered body is found in Tokyo Bay. Chiwawa's friends gather to remember her, but they realize they do not know anything about her background or even her real name.
Shiori accidentally angers the Smiling Man, a demon that has been latched onto her soul since birth, who in turn torments her into discovering the mystery behind the origin of the curse.
