C1734 Screen Device Part Iv(22)

Then, an important clue appeared!

They also discovered the symbol of the "Bluebird Company"!

If one were to say that I had doubts about the various experimental bases of Bluebird Company that the moon spirit had mentioned, then there is no longer any doubt about it …

Indeed, this was the case. The island in the diary was definitely just an "experimental ground" of the Bluebird Company