A 'Kakashi and Hanare pregnant' fanfiction could focus on the challenges they face. For example, in the Naruto universe, they might have to deal with threats from enemies while protecting their unborn child. It could also delve into their emotions, like Kakashi's nervousness about becoming a father and Hanare's excitement and fears. The story could show their journey of preparing a safe place for the baby and how they interact with their friends and allies during this time.
Such a fanfiction could start with the discovery of Hanare's pregnancy. Then it might explore how the news spreads among their acquaintances. There could be a sub - plot about Kakashi trying to balance his duties and being there for Hanare. It may also include how they make plans for the future of their family. The fanfiction could also touch on the cultural aspects of pregnancy in the Naruto world, like any special traditions or ceremonies related to it. And perhaps it would show how they grow as a couple through this experience.
It could be about how they deal with the upcoming arrival of the baby. Maybe it shows Kakashi's protective side and how Hanare prepares for motherhood. It might also explore how their relationship changes with this new development.