The fate of mankind is doomed in the early 21st century due to losing "purana," an essence of living force supporting all life forms. Not willing to witness the extinction of mankind, a vampire named Duo disclosed the secret of purana to humans, saving the latter from destruction. However, just like Prometheus in Greek mythology got punished for bringing fire to mankind, Duo is punished for breaking the taboo. The vampire sent to punish him is Zieg, Duo's best friend, or, more than the best friend.

Onmyouji tells the story of renowned onmyouji Abe no Seimei, who meets and befriends the bumbling court noble Minamoto no Hiromasa. Together, they defend Heian-capital kyou's from an opposing onmyouji, Douman, who is secretly plotting the emperor's demise.

Su and Uh use the power of telekinesis to impress Lah by lifting up objects. Lah then tries to use telekinesis, too, but lacks this power, so Su and Uh help her.

When "ordinary boy" Kagami Kazuya meets the beautiful tsukumogami Kiriha, his life gets turned upside-down. As a "Taboo Child" who draws the supernatural towards him, he receives orders from the God of the Land, Kukuri, to become an exorcist and defeat these evil forces. And so, he and Kiriha do battle. To find out information on these supernatural beings, Kazuya and his friends set up a counselor's club at school. But behind the typical-seeming troubles he hears about, he uncovers a major plot to target Kukuri... In addition to the sadistic-yet-beautiful tsukumogami Kiriha, the situation draws other girls to Kazuya to join the fray!