"I was once an angel, but my wings were cut off. Now... I'm the devil in this story."

Jewel Box is a name for the top people in the inner circle of the Agrishe family. The Agrishe family is a womanizing family that expands and runs their large mafia empire by having the best people.

Jewel Box is a term for the best people and the inner circle of people under the Agrishe family. People who are the best in their profession and are called Jewels. Jewel's beautiful appearance and extraordinary abilities have created great power and influence for the Agrishe family, and all of them, without having any blood relationship to the Agrishe family, have the family name as the most loyal members.

The symbol of important people and main members of the Agrishe family is the jew

el hourglass, and all people in the Jewel Box have a small hourglass that has jewel particles instead of sand inside, each of which has a different color according to the ability of the person. The jewel hourglass is the symbol of the Agrishe family.

Chiara is one of the jewels and tricksters of the Agriche family. The red jewel, the jewel box, and... the head of the assassination organization under the Agriche family.