Ino would likely be very concerned. She might immediately try to use her mind - reading skills to figure out what has happened to Naruto. If she can't break the hypnosis right away, she'd probably seek help from her teammates or sensei. Ino is a determined character, so she won't give up easily on saving Naruto.
In a Naruto and Ino friendship fanfiction, they could bond over their shared experiences in the Hidden Leaf Village. Maybe they start off as just classmates, but as they face various challenges together, like during the Chunin Exams, their friendship deepens. They might support each other's dreams, with Naruto aiming for Hokage and Ino wanting to be a great kunoichi in her family's flower shop business. Their different personalities, Naruto's exuberance and Ino's more headstrong nature, could lead to some interesting interactions and comical moments as they grow closer.
Naruto might handle it with his usual optimism. He could see it as a new adventure and be open - minded towards getting to know Ino better. Ino, on the other hand, might be a bit more cautious at first. She might be worried about how this will change her life and her relationships with other people.
In a 'naruto and ino married fanfiction', their relationship would likely start off a bit rocky. Naruto is used to being with his friends in a more rowdy way, while Ino is more refined. But as they get to know each other better, they find common ground. Naruto would admire Ino's skills in the medical field and her ability to read minds. Ino would be drawn to Naruto's strong will and his unwavering loyalty to the village. They'd grow closer as they face family - related issues together, like dealing with Naruto's status as a hero and the expectations that come with it.
In the Naruto anime and manga, Naruto and Ino don't have a love story. Naruto is more focused on his goals like becoming Hokage and his relationship with Sasuke. Ino is mainly involved with the affairs of her clan and later her relationship with Sai. Their interactions are more of comradeship rather than romantic love.
After Pain's attack, Naruto and Ino could find themselves in situations where they rely on each other more than ever. Maybe they are assigned to the same team for a rebuilding project. At first, they might have some small disagreements, but as they work through them, they learn more about each other. Ino could use her skills to boost Naruto's confidence when he doubts himself. Naruto, in turn, could show Ino a different perspective on life and shinobi duties. This continuous interaction and mutual growth could lead to a very special relationship between them, whether it's a deep friendship or something more romantic.
The relationship could start with Ino being curious about Naruto's sudden change to evil. She might try to reach out to him, thinking she can change him back. This initial interaction can set the stage for a complex relationship.
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.
Their relationship could develop through shared responsibilities. Naruto would learn to be more sensitive to Ino's needs around the house, like helping with the cooking. Ino would support Naruto's leadership role in the village.
Writing or promoting sexual fanfiction about underage characters, as Naruto and Ino are in the Naruto series which features minors, is inappropriate and unethical. So, we should not be looking for or encouraging such content.