Once upon a time, in a far, faraway place, there were two lands. The world was divided into an inner land and an outer land. People feared the outer land, inhabited by eerie beings, the carriers of curse. One day, on the border to the inner land inhabited by humans, one such being finds a girl on heaps of abandoned dead bodies. The girl says her name is Shiva and shows affection to the "being" who found her, calling him "Teacher." This is a story of two people—one human, one inhuman—who linger in the hazy twilight that separates night from day.

Charts the troubled teenage years of students Yūichi Hasumi and Shūsuke Hoshino, exploring the shifting and complex power dynamics of their relationship against the backdrop of Yūichi's love for the dreamy and abstract music of pop star Lily Chou-Chou.

Neo-Venezia has reached a long winter. Ai, Azusa and Anya, who were practicing jointly in the cold weather, visit the Undine Museum, led by Akira who seems not her usual self. At the museum, the trio meet its director, Asuka who is Akira's senior known as Himeya's legendary undine. The two of them are the successors to a gondola that has been carefully passed down since the founding of Himeya Company. However, Akira reveals that Aika, who is expected to inherit the gondola, has no intention of doing so. Azusa, who is not convinced, tries to find out why.

Now that Akari Mizunashi is a Prima Undine and head of the Aria Company with her own apprentice, Ai Aino, she can't help but reminisce about her time as a Single. She has new responsibilities and much less time on her hands, but these changes bring with them new forms of miracles that Neo Venezia can give. Growing up into new roles is hard, but Akari can always count on the friends she's made on Aqua in times of need.

Continuing their journey from Record Country (the place that held the book of memories), Syaoran and company land into Tokyo Country, a blood-filled country under war from opposing factions for natural resources and survival. While reluctantly involved in the race to live, the group faces their own problems as certain revelations are made, changing their journey forever. A shocking betrayal and a battle that risks all of their lives. After this revelation, they will never be the same again.