Humans and succubus once coexisted on the same continent, but after a war, humans banished succubus to the underworld.As the guardian of humanity, the player will use various methods to prevent the succubus Elise from entering human society.
Over time, succubi have gradually faded out of human history and become a species that exists only in myths and legends. The only people who still believe that succubus is real are biologists and a couple of trail reporters who can’t find any big news. There are always young succups who, despite the elders’ interference, slip into human society…..