Chapter 202
An underground place of unknown location.
A dark metallic space, resembling an evacuation shelter within a tunnel.
"...."
"Ah, Agent. This way, please."
The agent from Black Tortoise Team 1 moved according to guidance. The Disaster Management Bureau's glass prison didn't employ human guards.
An unknown supernatural force without sound or form served as the guard, with one employee at a time taking shifts to monitor its condition. The attendant asked cautiously:
"...You're here for the interrogation of Agent Grapes—no, prisoner 37-
999?"
"...."
"I see. This way, please."
Following the careful guidance, the agent entered through the iron door, avoiding the 'guard.' Inside, there was... A crystal cave.
"...!"