Eimugai

One day, Minon's beloved brother vanished without a trace. All that remained was the chilling information that he had been taken hostage by A, a notorious murderer causing widespread unrest, and details about a mysterious town called Shadow Fog Town, which he had mentioned in an email to someone. This enigmatic place doesn't appear in any searches. Determined to find him, high school girl Minon attempts to infiltrate a suspicious building where she last saw her brother. Little does she know, this is the entrance to a forbidden realm that should never be entered. An underground search drama unfolds, revealing a den of immense evil where no common sense applies!