Abandoned Weather Observation Station

The Abandoned Weather Observation Station (気象観測所跡地,) was a facility used by Mimic as their base.

Description
It was a three-story abandoned building located in the mountains. Inside the center of the building was an observation tower for monitoring the sky, topped with a spherical observation room.

Plot
Oda rushes to the building to get information on Mimic and finds Ango tightly tied on a chair.