1
The Mystery of Devirginizing Mountain
Spirit detective Hyakkiya Hikari and her companion cat Tamakin investigate a series of assaults on young girls found on the infamous "Devirginizing Mountain" in Misara Village. While local lore suggests an ancient ritual, Hikari is pulled into a dream by a Baku, triggering memories of her own past and revealing the truth behind the crimes. By connecting the dream world to reality, Hikari discovers that the victims were targeted in their sleep at a local lodge, exposing the lodge manager as the true culprit.
2
The Lustful Filth-Licker of Kamayude Inn
Hikari and Tamakin travel to the Kamayude Hot Spring Inn to investigate a series of mysterious attacks in the women's bath, where guests are left unconscious after being fondled by an unseen force. By acting as a decoy, Hikari exposes the culprit as an Akaname, a monster that feeds on bodily grime. Although the immediate threat is neutralized, the encounter hints at a larger, sinister entity pulling the strings behind recent supernatural occurrences.
3
The Bunbuku Chagama Murder Case
Detective Hikari and her companion Tamakin investigate a string of mysterious deaths among anime enthusiasts, all caused by fatal overstimulation. Hikari discovers the culprit is a Bakedanuki disguised as a seductive body pillow. After a hedonistic battle to subdue the monster, Hikari learns that the creature was acting under the orders of a mysterious entity known as Inugami.
4
The Great Youkai Revenge Battle
Hikari and Tamakin are lured into a trap by vengeful youkai, leading to a shocking revelation that Tamakin is actually the vessel for Hikari's parents. When the powerful spirit Inugami attacks to exact revenge on her former lover, Hikari must strengthen her spiritual bond with Tamakin to purify the monster's hatred and save her family.