YamiBou

Hazuki has developed an attraction to her adopted older sister Hatsumi, who disappears on the morning of her 16th birthday. Hazuki goes in search of Hatsumi along with her companions, speaking bird and the hat-wearing Lilith known as Eve.

Yoko smacks down the Colonel and is sheltered by the Siberian Tiger. She is then confronted at gun point by undercover spies. Yoko takes down Siberian Tiger with Hazuki. Hazuki helps Yoko to find the bomb.

Hazuki arrives in the Great Library and meets Lilith, who develops a crush on her. Hatsumi turns out to be an incarnation of Eve, who Lilith wants returned to the Library. Hazuki unenthusiastically accepts Lilith's help.

Ritsuko is serving the princess who falls for the charms of Gargantua. His attempt to sacrifice her is foiled by Ritsuko. Lilith appears before Gargantua and accepts Mariel's soul as payment.

Hazuki and Lilith reach a prehistoric world. Lilith is mistaken for a god. Quill develops a crush on Hazuki, offering herself as a sacrifice. The real god appears but is defeated; the search is another dead end.

Hazuki and Lilith arrive on an island and meet a young girl Milka; Milka does not age.