One common theme could be the exploration of their complex relationship. Given their characters' backgrounds and the story they come from, fanfics might delve into how they navigate their feelings for each other in a more intimate context.
I'm sorry, but I don't have specific 'kaneki x touka lemon fanfic' to recommend directly. However, you can try searching on fanfic platforms like Archive of Our Own (AO3). There are likely many stories about their relationship there.
Good 'Touka x Kaneki fanfic' usually has well - developed characters. It should stay true to their personalities as we know them from the original story. For example, Touka's strong - willed nature and Kaneki's internal struggle should be depicted accurately.
There might be a fanfic called 'Touka and Kaneki: Lemon Love'. In this story, it might explore how their love blossoms in a more intimate and passionate way, while still staying true to their original personalities from the source material. It could include tender moments and some steamy scenes that are tastefully written.
Reddit can also be a source for 'kaneki x touka fanfic'. There are some subreddits dedicated to Tokyo Ghoul fanfiction where you might come across some great 'kaneki x touka' stories. However, the content on Reddit might be a bit more scattered compared to dedicated fanfic platforms like fanfiction.net or Wattpad. But it's still worth exploring if you want to find some unique takes on their relationship.
The fanfic can also introduce new plot elements that are centered around their relationship. It could be a shared goal they have, or a mystery that only they can solve together. This kind of plot device can bring them closer and make the story more interesting. Also, the way the author describes their interactions, from the small glances to the deep conversations, can add a lot of charm to the fanfic.
Characterization is key. The fanfic should accurately portray Kaneki and Touka's personalities as we know them from the original work. For example, Kaneki's internal struggle and Touka's strong - willed nature need to be present. Also, the lemon aspect should be well - integrated, not just added randomly. It should flow with the story's plot and the development of their relationship.
One great 'kaneki x touka fanfic' is 'A New Beginning'. It beautifully portrays their relationship development in a post - apocalyptic setting. Another interesting one could be 'Love in the Shadows' which focuses on their secret encounters and the emotional turmoil they face.
You can try looking on fanfiction websites such as Archive of Our Own (AO3). There are a large number of Tokyo Ghoul fanfics there, and you might be able to find some great Sweet Touka x Kaneki ones. Another option could be FanFiction.net, although the quality and content can vary more widely on this site.