魔王都市 -空白の玉座と七柱の偽王-

"Demon City" where humans and demons coexist. In this city ruled by the seven demon kings,one of the kings was murdered. To solve this case, Alsarisa, the daughter of a hero who enforces justice under the law,teams up with Keed, a bad investigator who values ​​honor above the law. In a world swirling with violence and conspiracy,the unconventional investigation drama of these two twisted people begins.