PRINCIPLES PROLOGUE

High-definition graphics and spatial audio create an abyssal underground world.

COLOPL has established a new brand "COLOPL Creators"
for the purpose of sharing advanced technology!!

Experience the latest technology through this app!

- Overview -
During the expedition, the explorer fell through a crack in the rock into a cave.
There were traces of human presence and mysterious ancient ruins.
And then she steps into the darkness...

High-definition graphics and spatial audio create an abyssal underground world.

* This app does not have save data function.
* There is no monetization in this app.