Set in modern times in the fictional Vie de Marli island, the story centers on demon hunter Dante and island guardian Lucia in their fight to stop a businessman named Arius from raising the demon Argosax and achieving supreme power.

Set in modern times in the fictional Vie de Marli island, the story centers on demon hunter Dante and island guardian Lucia in their fight to stop a businessman named Arius from raising the demon Argosax and achieving supreme power.