[PAGE 5] There are 3 types of executioners, Humanoid Type, Special Type, and Diffusion Type.
[PAGE 6] The executioner who attacked them was exactly the same as the executioner they met outside the factory.
[PAGE 7] Before it was killed, the executioner said some words (I don't know what they were).
[PAGE 11] They found a laboratory shed with blood stains in it.
[PAGE 12-13] Isami found a symbol on the wall, the symbol then glowed and triggered a reaction in Saya, then an elevator appeared from the wall.
[PAGE 14] They suspected the symbol had something to do with the eternal child A.K.A. Saya.
[PAGE 16-17] They found a large underground chamber and a pile of airplane (or perhaps spaceship) debris.
[PAGE 18] There was a crystallosis reaction from the pile of airplane debris.
[PAGE 19] They found a pilot's corpse with a recorder, and decided to play the recorder.
[PAGE 20] In the recording, the pilot refers to himself and his colleagues as "Daigiren" (Translated to English as "Skilled Alliance") and decides to die inside the plane.
[PAGE 21] "Daigiren" used to serve the eternal child. So "Daigiren" has something to do with or knows about Ushimitsu's Eternal Child Project.
[PAGE 22] They (Isami, Saya, and Kanoko) are curious about "Daigiren" and decide to investigate the factory further.
[PAGE 22-23] Exploration into outer space by "Daigiren" is mentioned in these pages. So there is a possibility that the "Daigiren" are space researchers and have explored outer space.
Chapter 24 has been released officially on July 13th 2024.