An old man and a young woman meet in Tokyo. She knows nothing about him, he thinks he knows her. He welcomes her into his home, she offers him her body. But the web that is woven between them in the space of twenty four hours bears no relation to the circumstances of their encounter.
Tsukiko is part of the photography club at school, but has always felt less than her sister Tomie. She's cute and very popular among boys. However, one day, Tomie dies in a horrible accident, triggering endless nightmares for Tsukiko. One year later, right when Tomie was supposed to turn 18, someone knocks on the door. Tomie is back.
Shun'ichi Minami possesses good looks and does well academically in high school. Chiyomi Horikiri is a bright girl who likes dancing. They were childhood friends and also their first loves, but after Shun'ichi Minami's father disappeared they hardly talk. On a storming night, Chiyomi Horikiri has an argument with her parents over her future course and leaves home. While trying to avoid the rain, Chiyomi Horikiri wishes that she go back to her childhood. Suddenly, Chiyomi becomes 15 cm tall. Shun'ichi Minami happens to see tiny Chiyomi Horikiri. She tells him that she doesn't want anyone else to see her, and Shun'ichi Minami takes her his home.
