Demonion: Gaiden Episode 1

There once was a maou Astaroth who invaded the human kingdom, plunging the world into war. However, he was finally suppressed by a group of heroes who took his powers and sealed him deep underground. Two hundred years later, there were rumours that the seal

There once was a maou Astaroth who invaded the human kingdom, plunging the world into war. However, he was finally suppressed by a group of heroes who took his powers and sealed him deep underground. Two hundred years later, there were rumours that the seal

The Kameyama family and the Otori family are relatives. They are both trying to compete for control over Otori Academy. Violent crimes are happening inside the academy. There are rumors that someone wearing an iron mask is assaulting female students inside