Around 50 years ago, after the Korean War, Demon World Gates appeared abruptly all over the world. Through the Gates, Demon creatures appeared. These otherworldly beings, utterly impervious to modern weaponr...

The countries of Mephius and Garbera have been waging a war for ten years and are trying to put an end to this long fight through a political marriage between the two royal families. Orba, who was driven fro...

Witches suddenly declare war against humans, causing two-thirds of the world to fall apart. They summon monsters called "Supporters" and devastate human residences but why? Survivors gather people with th...