A beautiful young man is riding a train when a suspicious man comes and snuggles up to him. A man who snuggles up to you even if you run away. Eventually, when he arrives at the station, the man gets off, but leaves a book. Thinking that the man might have forgotten it, he picks up the book. The book is "Gay Toybox". When he finally opens the book, the movie begins with an epilogue. The movie is an omnibus of three features. In other words, each book is an elaborate composition of one story of the gay world that is developed in that book.

Right before World War II, in an imaginary town in Japan called “Innsma,” three men, completely driven by greed, scramble for a box containing the Necronomicon. They did not know what a horrifying outcome there would be… This is the first Japanese movie based on the dark fantasy “Cthulhu Mythos” by H.P.Lovecraft, created from a unique Japanese perspective. This sad fantasy movie depicts the karma of human beings.

龟太郎在杀害出轨的妻子后，将尸体连同犯案用的刀一同弃置在深山中瀑布下的深潭。然而，妻子的尸体竟受到神秘力量诅咒浮出水面，甚至在龟太郎的胯下长出三把刀。龟太郎为躲避官员追问而逃往深山，却遇上情侣惨遭日本刀杀害的连续杀人事件。身为命案关键的目击证人，为了证明自己的清白，龟太郎开始了追捕剑士因幡宇佐子之路……