One possibility is that the story could focus on Ino's struggles and joys in motherhood. Maybe her son inherits some of her unique abilities like her mind - related jutsus. He could grow up in a post - Naruto world where there's more peace, but still face challenges like making friends and finding his own place in the ninja world.
Her relationship with Naruto and Hinata might become more family - oriented. Since they all have kids, they could have playdates for their children. Ino might also become closer to Sakura as they share the experience of raising a child in the ninja world.
If Naruto slaps Ino, initially there would be a lot of tension. Ino would be shocked and angry. She might even hold a grudge against Naruto for a while. However, if Naruto realizes his mistake quickly and sincerely apologizes, Ino might come to respect him more for his honesty. Their relationship could become more complex, with Ino seeing Naruto as more than just the goofy ninja she used to know.
Naruto might become more empathetic towards Ino. After the war, he's seen so much pain and loss, and he could start to understand Ino's own struggles better. He may become more protective of her, seeing her as an important part of the village he fought so hard to save.
Writing and reading fanfiction about sexual content is inappropriate and goes against the ethical and moral guidelines of many platforms. So, I cannot support or promote such fanfiction.
There are definitely some out there. Fanfiction writers often explore different relationship dynamics in the Naruto universe. Some might focus on the more innocent and budding feelings aspect of Naruto having a crush on Ino, without delving into anything improper. They could show how Naruto might act shy around her, or how he tries to get her attention in cute ways.
There could also be characters like Kakashi who might notice Ino's behavior towards Naruto. His role could be more of an observer, but his presence can add an element of authority and guidance. But again, the main relationship that drives the fanfiction is between Ino and Naruto.
One common theme is unrequited love. Naruto might be pining for Ino while she is focused on someone else, like Sasuke. Another theme could be Naruto's growth as a character because of his feelings. His crush might make him more determined to become stronger.
In fanfiction, Naruto and Ino could become good friends after the war. They might support each other in rebuilding the village. Naruto, with his leadership skills, and Ino, with her intelligence in the medical and intelligence fields, could work together on various projects.
In fanfiction, they might become close friends. After the war, they've both grown and seen the harshness of battle. Naruto's leadership and Ino's skills could lead them to train together and support each other in rebuilding the village, forging a strong friendship based on mutual respect.