【Ｃｈａｐｔｅｒ１】

M!Y/N and F!Y/N (Male Y/N and Female Y/N) are siblings, and they promised to never desert each other after their parents disappeared. Unknowingly, in the final exam, MY/N grabs the attention of a certain scarface, brother of a Hashira.
After several months, FY/N meets Uppermoon 2, Douma, and realizes that everyone, even the worst of demons, have a motive for their actions.
The thing is, will the L/N siblings be able to show the world that?