Touka likes Kaneki, and Kaneki, Touka. Both think the other is dating someone else. Both of them think they have all the time in the world to ponder their romantic thoughts, and that the chance to tell the other their feelings will never fade.
But, during an unfortunate agreement between Aogiri and one Anteiku member, the two of them are torn apart.
Touka, now hurt and angry at herself as well as Kaneki for leaving her, surprisingly does not blame her brother.
Now that Kaneki is gone, Touka has only one goal in sight;
To track him down.