高校四年

Shin-chan is approached by his time-traveling future bride-to-be Tamiko, who asks him to help save his adult self from the ruler of Neo Tokio.

One year after the events of the anime, Rintarou begins to feel the repercussions of extensive time travel, and eventually completely fades from reality. Kurisu, being the only companion to remember him, now must find a way to bring him back.

Documentary filmmaker Genya Tachibana has tracked down the legendary actress Chiyoko Fujiwara, who mysteriously vanished at the height of her career. When he presents her with a key she had lost and thought was gone forever, the filmmaker could not have imagined that it would not only unlock the long-held secrets of Chiyoko’s life... but also his own.

In spring, a girl leaves the island of Hokkaido to attend university in Tokyo. Once there, she is asked to reveal why she wanted to go there in the first place.