Chirusoku Summer, the film set in the sister cities of Pusan, South Korea and the city of Shimonoseki-shi, Yamaguchi. During the Summer of 2003, four girls from Shimonoseki-shi, Yamaguchi travels to Pusan, South Korea for a sports festival and one of them fall in love...

Yoshinaga, a real-estate agent, has a young female customer one day. She asks him to take her to the apartment where she used to live. When he plays a videotape left in that cavant room which shows some signs of its ex-resident, Yoshinaga gets lost in another fantastic world. After a while, Yoshinaga and the girl come back to their respective daily lives... A pop, colorful, yet at times a heartaching road movie, which leads to elsewhere.

Hiro, an unpopular comedian, lives with his girlfriend Kano, an editor. Hiro starts to distance himself from Kano with fewer live appearances and Satoyama, a seasoned comedian, drags him around. Kano is given a picture book during an interview with an author, Kaminuma. The tragedy of a princess' death in the book illustrate the troubled marriage between Kaminuma and his wife, Mizu. After reading the book, Kano imagines a happy ending by pretending Hiro as the King and herself as the princess. Fate changes when the picture book and reality collide... A love story for the new century.

Naomi sacrificed her own youth to raise her daughter Yuriko. After Yuriko graduated from school Naomi moves out into the world to catch up on her own youth. Some time later Yuriko receives a message telling her that something happenend to her mother. She goes on the search for Naomi only to find her in the hands of a gang of rapists.

Nine former members of a high school baseball team reunite for the first time in seven years, invited to meet again by an unknown figure. The friends begin to reminisce about times gone by, but soon realize that there are discrepancies among their memories. When they decide to open an old time capsule to dig up the truth, they find that the box they buried now has ten keyholes instead of nine; a mystery that only a tenth person could have the answer to.