but a bad guy wanted to steal that sword and he sent his guys so that he could steal that sword and those guys took that sword. And then that bad man tried to get out that creature but his attempt failed then that man broke that sword he broke the sword into 17 pieces and 17 different creatures came out and went to different places of the world, then a group was formed which caught those creatures and locked them in their swords.

          ....... After fifty years....... 

isaki yui is main character of the story.

Shonomi called a swordman.

Becoming a shonomi is a childhood dream of Isaki. To become a shonomi. Isaki will have to give an exam. The exam has three parts, but To become a shonomi must be 15 years old and Isaki is 14 years old and will be 15 Tomorrow

               ...... Tomorrow ......

Test begins first part written exam 100/75 marks in Isaki's written exam and he passed, he enters the second part, second part is a tournament of sonomi's 

To be continued ....