Kimika asks Jirokichi to help her open a trick box created by a mid-19th Century tinkerer. Inside the box is Luna Memoria, the world's largest moonstone left to her by her late husband. The instructions to open the box are written on a piece of paper stuck between the pages of one of ten thousand books given to Jirokichi. In order to lure Kaito Kid, Jirokichi puts the trick box containing Luna Memory on display. Conan and friends try to figure out how to open the box, while Kid lurks nearby in disguise...

A small ladybug is searching the forest for a quiet place to rest. But rumor spreads about a Happy Ladybug which brings happiness, and Raccoon decides he wants to eat it. The ladybug watches as Bonobono and his forest friends cause a ruckus.

Zanya reveals the results of his investigation into the Chaos Company. Geargod 099 sends a duplicate of Gao to infiltrate his home and school, resulting in an attack on Student Council President Shido. Shido challenges Gao to a Buddyfight.

A lone mage named Siluca and a vagrant knight named Theo make an oath as master and retainer, with hopes of bringing reform to a land riddled with war and chaos.

The crew reassembles a Gamilan android found on Saturn’s moon, and the Yamato’s own robot befriends it.

To tell the people in Stella that they're in danger, Ace and Garnet goes on a mission to find the key to Stella - the legendary dragon. With Sonia's help, they reach their destination, but apparently, they aren't the only ones looking for the key...

It is finally the day of the 315 Productions joint concert!

On the day of the graduation and school closing ceremony, Chika and the others are determined to say goodbye to their school without tears.