Sakayanagi's Secret Message-As Vice President, He Understands It Well! Part 1!

If there really was treasure, anyone would be tempted. But it didn't belong to them, and wasn't the castle owner's descendant still around?

Ichinose's character was truly moving.

But now wasn't the time to be thinking about Archangel Ichinose while accompanying Karuizawa.

"As for that person asking for help, we actually just ran into them."

"Huh? We did?" Ichinose seemed somewhat taken aback.

Kei, meanwhile, thought of something terrifying.

Hadn't everyone they had encountered just now been part of their group? Then when Hachiman said they had met someone asking for help, could he mean... that... the bones Daichi Ishizaki had dug up?

"But my assumption is rather frightening, so we still need to find the radio's power generator," Hachiman said.

"I estimate that the radio generator may have been activated three to five years ago. Ordinary batteries couldn't have lasted that long."

"So we need to find a biological power generator," Hachiman said.

That sounded a little awkward.

Put simply, it used biological electricity generation. What creatures could generate electricity? There were some, such as electric eels.

This was an island, so they needed to look for an area with an inland pool connected to the sea.

That meant finding somewhere damp, perhaps irrigated by water.

Thus,

the three decided to head farther inside.

Ichinose's classmates had probably encountered quite a few mechanisms, so Ichinose was very quick at locating them.

"Click, click—"

Ichinose opened a mechanism, and a stone door swung open.

Unfortunately, it was very dry inside.

So Hachiman and the others did not continue down that route of mechanisms, instead continuing their search.

Very soon,

"Click, click—"

they found another stone door. When it opened, they found traces of dampness within.

And so,

the three moved together.

Ichinose had a flashlight with her, while Hachiman and