A rogue ninja from a neighboring village could be the villain. This ninja might have a vendetta against Ino's family and uses Naruto as a tool to get to her. He hypnotizes Naruto because he knows Naruto is strong and his actions while hypnotized would create a lot of trouble for Ino and Konoha.
One possible plot could be that an enemy uses a new jutsu to hypnotize Naruto and then makes him target Ino. Naruto, under the hypnosis, starts acting strangely towards Ino, which causes confusion among their friends. The story could then revolve around how their friends try to figure out what's wrong with Naruto and break the hypnosis before he does something really bad to Ino.
One possible plot could be that Naruto is hypnotized by an enemy ninja who wants to use him against the Hidden Leaf. Ino, being a skilled mind - user herself, tries to break the hypnosis. She has to first understand the nature of the hypnosis, which might be a complex jutsu. Then she dives into Naruto's mind, where she encounters various manifestations of Naruto's fears and desires. Ino has to navigate through these to reach the core of his mind and free him from the hypnosis.
Maybe an evil wizard - like character from a far - off land. He hears about the pet in the Naruto universe and decides to capture it to use in his dark magic experiments. His arrival in the village causes chaos, and Naruto, Ino and the pet have to stop him from achieving his evil goals.
I'm not sure if it's popular. There are so many Naruto fanfics out there, and it's hard to tell which ones are really popular without doing some research. It could be that it has a small but dedicated following among fans who are interested in this particular scenario of Tsume being hypnotized by Naruto.
It could be Orochimaru. He might be interested in Ino's unique abilities, like her mind - control jutsu, for his own evil experiments. So he kidnaps her, and Naruto has to fight against Orochimaru's snake - like techniques to save Ino.
Yes, she might. Ino is a character from Naruto, and many fans of the series enjoy fanfic. Since she has a distinct personality in the original show, it's possible she could be a character that some Naruto fanfic writers focus on, which might make her an interesting character for those who like Naruto fanfic to like in that context.
Yes, there are likely to be such fanfics in the Naruto fanfic community. Fans often create various relationship - centered fanfics, and the idea of Naruto liking Ino is a creative take that some might explore in their writing.
One popular type of 'Naruto' fanfic involving Sakura and Ino could be about their friendship. In the original series, they start as rivals but gradually grow to respect each other. A fanfic might explore more deeply their bond, like how they support each other during difficult times in the Hidden Leaf Village. For example, they could team up to take on a new threat that the village faces, relying on each other's unique skills. Sakura's medical ninjutsu combined with Ino's mind - related techniques could make for an interesting story of them working together.
Writing or reading about non - consensual or inappropriate 'gangbang' scenarios in fanfiction is unethical and not something that should be promoted. There should be no such fanfic existing in a proper and respectful fan community.