The Uzumaki family, if there are any remaining members, would likely welcome Mei. They would see her as a strong addition to the family. In Kirigakure, Mei's family, if we assume she has one, might have some reservations. However, Naruto's status as a hero in the ninja world would gradually win them over. His reputation for saving villages and his kind heart would make them realize he's a good match for Mei.
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.
The Uzumaki family might be a bit shocked at first. But Naruto's kind - hearted nature could make them eventually come around. His mother Kushina might be more accepting as she always wanted Naruto to be happy. As for Sasuke's family, well, it's a bit more complicated. Since Sasuke is the last of the Uchiha, his family's traditional values might be a hurdle. However, if Sasuke is determined, he might be able to convince any remaining family members or those who care about the Uchiha legacy that his relationship with Naruto is a positive thing.
Naruto's friends would be very happy for him. They know how much Naruto has longed for a family. His sensei, like Kakashi, would probably give his blessings. Ayame's family would be glad to have Naruto as part of the family. Since Naruto is a hero in Konoha, it would be an honor for them. And the villagers, who have watched Naruto grow up, would also celebrate this union.
For Peter Parker's family, the news of his marriage to Scream would be quite a bombshell. Aunt May would likely question Peter's judgment. She might think that Peter is getting in over his head and that Scream is not the right person for him. But Peter would defend his relationship, saying that Scream has a good heart beneath her tough exterior. Regarding Scream's family, if they are part of a more villainous group, they might try to break up the marriage. But if they are more open - minded, they could see the potential in Peter and support the relationship. The reactions of their families would add a lot of drama and conflict to the fanfiction.
Well, Naruto's friends would be excited for him. They know how much he has longed for a family of his own. As for the Yamanaka family, they would be proud that Ino has found someone as heroic as Naruto. His reputation as a savior of the ninja world would play a part in their acceptance. And Naruto, who has always craved family, would be welcomed into the Yamanaka family with open arms after some getting - to - know - you time.
Tsukune's human family might be initially shocked. But if they see how much he loves Mizore, they could gradually come to accept her. They would have to get used to the idea of having a youkai in the family. As for Mizore's youkai family, they might be more accepting since they understand the youkai world better. However, they could also be protective of Mizore and want to make sure Tsukune is worthy of her.
Ichigo's family on the other hand, would also be surprised. His father might be a bit more open - minded though, given his own strange abilities and knowledge of the spirit world. His sisters would likely be excited about having Byakuya as a brother - in - law, especially if they see how much Ichigo cares about him. Overall, Ichigo's family would probably welcome Byakuya once they get to know him better.
The reaction of their families could be quite diverse. Natsu doesn't really have a traditional family, but his friends in Fairy Tail are like family. They would be excited and probably throw a huge party. Cana's father, Gildarts, has been absent for a while. But when he hears the news, he might feel a mix of emotions. He could be happy that Cana has found love, but also a bit sad that he hasn't been around more. However, overall, the Fairy Tail guild would embrace their union and make them feel special and loved.
Midoriya's family would be ecstatic. His mother would be busy helping with the wedding preparations, giving advice on everything from the dress to the food. Uraraka's family would be equally happy. They would see Midoriya as a kind - hearted and strong young man. Her mother would likely bond with Midoriya's mother over the wedding plans, and the two families would come together to celebrate the union of the two young heroes.
I think Puck's fairy friends would be divided. Some of his more mischievous friends would be all for it, seeing it as a great opportunity to play more pranks on the mortal world through Sabrina. But his more serious fairy relatives might be concerned about the mixing of the mortal and fairy worlds through this marriage.
Ichigo's family might be a bit surprised at first. His father, Isshin, would probably be happy in the end though, seeing his son find love. His sisters might be excited to have Rangiku as part of the family and look forward to all the fun they could have together. As for Rangiku's side, if she has any family in the Soul Society, they might be a bit more hesitant. They might worry about how a relationship with a human like Ichigo could work out in the long run, but eventually come around when they see how much they love each other.