Well, some of their friends could be overly helpful. They might constantly offer advice on parenting, which could be a bit annoying to Misaki and Takumi. On the other hand, there could be friends who are jealous, especially if they've been trying to have a baby themselves. And then there are those friends who are just there to support them, listening to their fears and joys without judgment.
His friends like Kakashi would be cautious yet supportive. Kakashi would likely give Naruto advice on how to handle the relationship and the responsibilities that come with it. In Kirigakure, Mei's comrades might initially be distrustful of Naruto, but as they see his good intentions and how he treats Mei, they would gradually accept him. And Naruto's friends from other villages he has befriended over the years would see it as a positive step towards a more unified ninja world.
Naruto would probably be initially shocked. He always tries to see the good in people and would not expect such a thing from Mei. He might try to talk to her to understand why she did it.
Naruto's friends in Konoha would probably be a bit surprised at first. But they would soon come around and support him. His old mentor, like Iruka, would be happy for him. As for Mei's side in Kirigakure, her comrades might be a bit more cautious. But once they see how Naruto can contribute to their village as well, they would accept the relationship.
Misaki Usui in 'misaki usui lemon fanfiction' typically shows a great deal of loyalty towards the love interest. He might be portrayed as a bit of a rebel in some aspects, but when it comes to matters of the heart, he is deeply committed. His good looks are often described in detail, from his tousled hair to his piercing eyes. And his sense of humor is also a big part of his character, using it to break the ice or ease tense situations in the story.
Misaki might find a cause she really believes in. If she was a bad girl who was always causing trouble in her community, she could start working to improve the community. By doing good deeds and helping others, she would gradually be redeemed.
I'm not sure which novel you're referring to. However, according to the novels that I know of, there might be some novels with the characters 'Nan' and 'Nan Mei' in their names. However, more specific information was needed to determine which novel it was.
Don't immediately accuse her of having improper feelings. Try to see it from her perspective. She might be talking about this person in a completely platonic way, or she could be using it as a way to get your attention. Share your feelings with her calmly, like 'I feel a bit uncomfortable when you talk so much about this other man.'
First, stay calm. Reacting impulsively might make things worse. You could talk to your partner privately about how it made you feel. For example, say something like 'I felt a bit uncomfortable when I saw that.'
She might get angry. Katniss has a fiery side, and seeing Peeta with another girl could trigger that. She could give Peeta the cold shoulder and refuse to talk to him.