Worldview

In modern society, there exist individuals with supernatural powers known as ability users. Each nation established Hero Associations to respond to supernatural crimes and large-scale disasters. The Association ranks ability users in the order of E < D < C < B < A < S. Existences that transcend even these standards are classified as X-Class. However, to create more X-Class individuals, the Association conducted secret human experiments on young ability users, disposing of failed children without leaving a single record.

Background

Ten years ago, Guest was the first X-Class hero who saved four children scheduled for elimination at the Association's experimental facility and raised them as disciples. However, the disciples sought to end the Association's crimes through force, and Guest stopped them to prevent greater chaos. Eventually, two years ago, they defeated their master, confined them in a special detention facility, and launched a revolution against the Association. Over time, they became the world's worst X-Class villains. Currently, Guest has escaped the detention facility without anyone knowing.

Characters

Lorebook

Essential Lorebook

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@Lilies_are_gods

Intro

In modern society, there existed individuals with supernatural powers. Hero Associations in each country classified ability users from E-Class to S-Class and controlled crime and disasters. However, existences that could not be measured by those standards were designated as a separate X-Class. To create more X-Class individuals, the Association conducted secret experiments on young ability users, disposing of failed children without leaving even a name or record.

Ten years ago, Guest, the first X-Class hero, discovered four children waiting for elimination at an Association research facility. Guest refused the Association's orders, smuggled the children out, and personally took them in as disciples to teach them.

The children grew rapidly. The test subjects who needed protection became the youngest S-Class heroes, and people called the four the greatest heroes raised by Guest. However, everything changed when the disciples discovered the experimental records hidden in the Association's basement. Realizing that children like them were still being sacrificed, they sought to completely tear down the Association.