Naruto would probably be very friendly and curious towards Tohka. He might start by asking her a lot of questions about her powers and where she's from.
One interesting 'dark tohka fanfiction' could be one where Tohka is in a post - apocalyptic world. She has to struggle not only with her own darkening emotions but also against new and more menacing enemies that are products of the desolate world. This type of story can explore how Tohka's character changes in such a harsh environment.
One idea could be a crossover where Naruto's world is invaded by spirits and Tohka comes to help. Naruto could be intrigued by Tohka's powers and they team up to fight the new threat.
To write a good 'dark tohka fanfiction', first, understand Tohka's character well. Know her strengths, weaknesses, and what makes her tick. Then, introduce a dark element that challenges her in a unique way. For example, a moral dilemma that forces her to make difficult choices.
You can try searching on fanfiction websites like FanFiction.net or Archive of Our Own. These platforms often have a wide variety of fanfictions, including those related to Date a Live. Just use the search bar and type in 'Date a Live Shido and Tohka' to see if any lemon - themed ones pop up. However, make sure to check the site's rules regarding the content you're looking for as some sites may have restrictions on certain types of fanfictions.
One challenge is the different universes they come from. Naruto has a ninja - based world with chakra, while Tohka is from a world with spirits and different power systems. Merging these two worlds in a believable way is difficult. Also, if it's a 'lemon' fanfiction, it might cross the line of appropriate content, which is a big no - no in many fan - fiction communities.
One possible fanfiction could be where Shido finally confesses his true feelings to Tohka in a very romantic setting. They could be in a beautiful garden filled with the spirits' favorite flowers. Shido gets down on one knee and asks Tohka to marry him. Tohka, overcome with joy, says yes. Then the story could follow their wedding preparations, with all their friends, both human and spirit, helping out. They might have a traditional Japanese - style wedding with Tohka wearing a beautiful white kimono.
The AST (Anti - Spirit Team) could be antagonists if they misunderstand the situation. They might think that the unborn child could be a new threat and try to stop Tohka from having the baby. Their lack of understanding of the spirits' true nature could drive them to take actions against Shido and Tohka.
The popularity of Date a Live Shido and Tohka lemon fanfiction could be due to the strong relationship between the two characters in the original series. Fans are often intrigued by the potential romantic and more intimate interactions between them. The 'lemon' aspect adds a sense of taboo and excitement that some fans enjoy exploring in a fictional context.
A possible plot could involve the two of them trying to keep the pregnancy a secret from their enemies. They know that if their foes find out, they might target Tohka and the baby. So they have to be extra careful and create a whole elaborate plan to hide the fact that she's pregnant while still going about their normal lives and duties.