Some time after the events of Walpurgis Night, all those involved in the gruesome rituals graduated from high school. Everyone went their separate ways. Imari is now a police officer. However, the essence of Kitani Reiki lives in her. Imari works in a division that deals with supernatural phenomena. She is given an important assignment involving a dangerous mysterious artifact - the Spear of Longinus.

Sakimi Endo was in love with her classmate and became so infatuated with him that she fell into debt. To pay off her creditors, she began to provide paid services, getting intimate with different clients.

Here is one of the most famous hentai games in the world - "Black Bible: Walpurgisnacht", the first part of the famous series. In May, when earthly and supernatural forces are at their peak, Walpurgis Night falls. A group of girls from a Satanic club decide to perform a sacrifice to open the gates to hell. The ritual is successful, but in the end all its participants face a terrible fate.