Gosho Aoyama's Collection of Short Stories

A genius inventor, who is still a high school student, has a girlfriend two years older than him. One day, he invents a time machine and attempts to go two years back into the past, to become the same age as her. However, it is she who ultimately uses the machine to travel through time!

Yusaku Kudo has received a message from his wife, Yukiko. She wants him to find out where she is, for a date, as well as test his detective skills. Can Yusaku find out where his wife is?

Sanjuro Tsurugi, an 80 year old man, was granted his wish to be younger by a mystical cherry blossom tree. While enjoying his youth the second time around, he must use his powerful secret sword technique to protect his granddaughter from a player.

The Detective Boys are walking along and overhear some people talking about a murder plan, and a weapon. They tell Conan, whom reassures them that nothing is wrong via the badge. They go through the building where the "suspects" are at, and learn about the ways that Detective Conan episodes are created, and the way the voice actors provide their voices, as well as view the meeting room where the murders and plots are planned out. After they finally understand what is going on, they meet Conan outside of the building, for he has a case for them!

Keisuke Hara, recently dumped by his girlfriend, accidentally receives an activation card disguised as a telephone card for a weaponized satellite system. Keisuke accidentally triggers a countdown of 24 hours for the satellite when he tries leaving a pager message for his ex-girlfriend. Much to the actual owner of the card's dismay, Keisuke was drunk at the time and doesn't remember what he set the passcode number as. Can the man make Keisuke remember before Earth is destroyed by the satellite?

A girl is being chased by some mysterious men clothed in black. In desperation, she runs up the fire escape to a building and coincidentally finds a detective agency belonging to George Kirishima. George is no ordinary detective. He's extremely small, and able to stand on the girl's shoulder without much burden. When the mysterious men chase break into the agency, George helps the girl escape just in time using a secret trapdoor in his bathroom. Who are these mysterious men? Who sent them, and what is the girl's role?

There is trouble brewing at the publishing magazine office where Yusaku Kudo works... he is nowhere to be found! Yukiko realizes that he must have done this on purpose, and tries to decipher the clues Yusaku has left behind. Can Yukiko figure out Yusaku's whereabouts? Also, is her little baby son, Shinichi, trying to give her clues?