Skill

From Volume 1, Chapter 1 『Skills』are abilities that the people in the story can perform, these can take the form of a crystal ball which they can be transferred to other people.

Overview
The『Skills』are introduced as crystal balls, which can only be extracted with the consent of the user, these show a text that describes the ability with its name. Can be sold or bought in specific stores, but only under the condition of a contract.