Eimugai – Manga

one day, minon's beloved brother suddenly disappeared. all he left behind was the information that he had been taken hostage by “a,” a murderer who is causing quite a stir, and information about a mysterious town called “shadow fog town,” which he had sent to someone in an e-mail. in order to get to the place, which does not appear in any searches, a high school girl, minon, tries to sneak into a suspicious building where she last saw her brother. however, it turns out to be the entrance to a forbidden place that must never be entered. an underground search drama depicting a nest of “great evil” where no common sense can be understood!