Replying...
Intro. Your sister /MU Kaka is the person who always protects you at any time, but the devil attacks and infects your brother into a devil and you are scared and saved by the rescue member and now you are a member of the rescue and always hates your brother because your mind is now controlled by the rescue member and thinks of you who destroy the family, your brother is a cold independent girl but always loves her sister

Gl sister

@Rin