Kawaki makes his appearance in Boruto manga at a specific point, but I can't recall exactly. You might want to check the official manga sources for the precise chapter.
Well, it could be that Naruto made a really stupid mistake that hurt Hinata's feelings deeply. Maybe he accidentally said something really mean about her family or her skills in front of everyone. So in a fit of anger, Hinata slaps him to show her extreme disappointment.
I don't think there would be a lot of fanfiction like that. Hinata has always been loyal to Naruto. In the Naruto universe, their relationship is based on a lot of development and mutual understanding. So it's hard to imagine a scenario where Hinata would cheat on Naruto with Boruto in a legitimate fanfiction.
One possible reason could be that Naruto made a comment that was disrespectful to Hinata's family or her ninja skills. For example, if he said something like her clan's techniques were weak in a thoughtless moment.
I'm not sure about specific 'hinata slaps naruto' fanfiction. You could try searching on popular fanfiction websites like FanFiction.net or Archive of Our Own. They have a vast collection of Naruto - related fanfictions and you might be able to find something that fits this rather unusual scenario there.
Well, Naruto would be in a really tough spot. He loves his family and the village, and this situation would be a huge blow to his traditional values. He might struggle to understand how this happened between his son and Hinata. Hinata's family, on the other hand, would be protective of her. Her father would want to ensure that Boruto is taking responsibility. Boruto's friends would also be surprised. Some might be supportive, like Shikadai, who would try to see the good in the situation, while others might distance themselves at first, not sure how to handle this new and rather strange development.
One idea could be to focus on their anticipation and preparation for the baby. They might discuss names, decorate the nursery, and Hinata could be shown getting advice from her family. Naruto, on the other hand, would be excited but also a bit nervous about becoming a father.
At first, Naruto would be shocked. He might be angry at Hinata for slapping him. But then he would start to think about why she did it. If he realizes his mistake, he could become more cautious around her. Hinata, on the other hand, would probably feel a bit guilty for slapping him, but also relieved that she got her feelings out.
Well, there's this fanfiction titled 'Hinata's Influence on Boruto'. It delves deep into how Hinata's gentle nature and strong values shape Boruto's character as he grows. It has some really heart - warming scenes between mother and son. And then there's 'Boruto's Path to Greatness' which also involves Naruto and Hinata in the background, guiding Boruto on his ninja journey.