Yagi Takeru has been living in the Touma family's house since his parents are gone. He was raised by Touma Rokunosuke, the head of the house. He is surrounded by many people such as Yamato Takeshi, his best friend-cum-rival from the kendo club, the Shiratori sisters, Kotono and Asuka, and his childhood friend, Oosu Seri. Life has been blissful until one day, an earthquake strikes the school and everything changes. Takeru awakens to find that the school looks as if it has been abandoned for centuries and reduced to ruins. He also realize that all the teachers and students have disappeared as well. He meets up with Seri and Asuka and they fled from the ruins, only to realize that the town they used to live in is completely empty. Subsequently, people wrapped in cloaks appear before him. They were told that they have been brought to another world.

In the Legends of Jewel Land, the Jewelpets were born from the love and caring of their queen, Jewelina. However a strange meteor crashes into the Mirror Ball, destroying it into a million pieces and its fragments called "Deco Stones" were all scattered in Jewel Land. In the present time, Ruby, a dimwitted Rabbit Jewelpet and owner of the Kira Kira Shop, has a thing on sparkly decorations and loves to collect anything that sparkles and shines. However, when she and the others learn about the legend of the Mirror Ball and the Deco Stones, they all decided to go and search for them, until they all meet 5 strange individuals called the KiraDeco 5. The group also has the same goal on wanting to collect the Deco Stones and they befriended the Jewelpets, especially to one of their members: Pink Oomiya. Now, the group need to gather all the Deco Stones and stop the Eternal Darkness from taking over the human world.

Jing may appear to be a young boy, but his remarkable skills make him one of the most feared thieves on the planet. Along with his feathered partner Kir, Jing travels from town to town, stealing anything of value regardless of the amount of security. But when he's in a pinch, he has one more trick up his sleeve: Kir bonds with Jing's right arm to perform the effectively deadly "Kir Royale" attack. And because of all this, Jing is infamously known by many as the "King of Bandits."

Jiyu Nanohana is an ordinary schoolgirl until she runs across a scatterbrained 300 year old samurai who tells her that she is the reincarnation of Yagyu Jubei. With the help of the "Lovely Eyepatch" she transforms into the legendary swordsman whenever she needs to use his awesome fighting ability, which she needs to do quite often as a rival clan is dead set on conquering Yagyu to satisfy an old family grudge.