Look, a corridor through the wing.

Okay!

Where does this passage lead to?

Izuna! They're in the corridor below you.

All right. Just to make sure this goes according to plan... Block off all side routes so that... ...Legendary Girl A goes straight for the new releases section!

The second passage to the warehouse district, right?

Is there a passage that leads underground?

Could it be that the curving underground path was a circle that connects the research facilities?!

there are no passageways or ramps along the outside of the tower.

Don't come this way! That passage is—

Why did you open the doors?

So is the door leading to the garage!

But this is an ordinary hallway.

There are about five kilometers of corridors surrounding it. Pitou's En can't reach that far.

The corridor is dark, and there's no light source.

Kounosu was in the stage-left hallway on the second floor.

Everyone else entered via the corridor on the right.

The entire hallway leading to the stage-left area was not accessible to anyone.

Additionally, the right hand corridor was the only way to get to the room.

They have dug far and deep into the cliff over the years, turning the entire cliff into their stronghold.