Nanami Momozono and her familiars Tomoe and Mizuki had been through a lot since Nanami took over as Mikage Shrine's patron god. Naturally, Otohiko, the wind god, arrives to invite Nanami to the Divine Assembly in Izumo, the gods' abode, and Nanami decides to bring Mizuki with her, leaving Tomoe to pretend as her at school. She does, however, have another reason for attending the Divine Assembly: she wants to find out what happened to Lord Mikage, the shrine's former god. Nanami encounters Botanmaru, a tengu youngster hunting for someone she knows all too well—tengu turned goth idol Shinjirou Kurama—after her escapades in Izumo. Botanmaru requires Shinjirou, their prince, to come home to Mount Kurama and put an end to the war.