Hiiro Ishibashi

The Demon World once plunged the Human World into terror. With the seal broken and hordes of Demon Soldiers launching an invasion, five young ...

“Unknown” is a mysterious enemy that suddenly appeared a long time ago. As a countermeasure, the “Evolutionary Railway ...

As a member of a malevolent organization, the General is tasked with invading Earth and wiping out humanity. Even an extraterrestrial being like ...