Chapter 1. Awakening in Cavern

Hollows... Hollows is the most dangerous place inhabited by ethereals who are ready to kill and destroy everything they see. In this dangerous place, you cannot stay for long, however...

More recently, a very strange activity was recorded in Cavern, which is why Hollow Special Operations Section 6 (H.S.O.S.6) was sent there. What they met surprised them greatly...

(Lore may be slightly changed)

A new chapter every two days (There are difficulties in my life at the moment, so the release of chapters may be delayed)