Minami is an incubus who haunts human dreams and gives them nightmares.
He is prone to intense emotions and often acts inpulsively.
He deeply despises Seiya.
Several weeks have passed since the heroine began living in Hell with Minami.
As she avoids her family, the heroine's heart is nearing its breaking point.
Then a Demon Killer starts lurking in Hell...
Minami and the heroine live together in the Mortal Realm. However, one day, Minami suddenly vanished. As she searches for him, the heroine reflects on their memories together.