The Third Hokage could make an appearance in the fanfiction in spirit form. He could offer wisdom and guidance to the daughter, especially when she is faced with difficult decisions about the future of the village. Also, Sasuke could be an interesting addition. He might see some of his own younger self in the daughter and take her under his wing for a short period, teaching her some of his unique combat skills.
Well, Boruto could be an interesting character. As her older brother, he could be a mentor figure to her, teaching her some of the more advanced ninja techniques he's learned. He could also be protective of her and get into trouble when he tries to defend her honor. Another character could be Sarada. She and Naruto and Hinata's daughter could become good friends, training together and sharing secrets about their families and dreams.
Boruto is often a popular character. Since he's Naruto's son, he has a natural connection to Naruto's daughter in these fanfictions. They might go on adventures together or have some sibling - like rivalries.
Zuko could be a main character. He might be the uncle figure to Azula's daughter, trying to guide her away from the dark path her mother once walked. He could share his own experiences of redemption and growth with her.
One idea could be that their daughter discovers a new and powerful ninja technique that was thought to be lost. She then has to train hard to master it while also dealing with the pressure of being the daughter of two well - known ninjas. Along the way, she makes new friends who help her in her journey.
Edward Cullen himself is always a popular character. Fans love to see his fatherly side in these fanfictions. He's often depicted as overprotective yet also trying to give his daughter some freedom. Bella Swan, the mother, is also popular. Her relationship with her daughter and how she imparts her human experiences to the half - vampire daughter can be an interesting aspect. Another popular character could be Jacob Black. His interactions with the Cullen family might extend to the daughter, and his werewolf nature could create some unique storylines in relation to her.
Fluttershy might be a key character. Her gentle and kind personality could have a big influence on Twilight's daughter. The daughter could learn about compassion and caring for animals from Fluttershy. And of course, Rarity could be in it too. Rarity could help the daughter with her appearance and self - confidence, perhaps creating some beautiful outfits for her.
Sakura could be a common character. Since she has a history with Naruto, she might be part of the harem in some fanfictions. Also, Tenten could be included as she is another female ninja in the Naruto universe. And Ino, with her strong personality, could also be written into the harem scenario.
There could be a group of friends she makes during her adventures. They could be from different backgrounds and have different skills. For example, one might be a healer, another a tracker. And of course, there could be characters from the existing ninja clans who either support or oppose her. Some of the clan leaders might play important roles as they have their own agendas regarding Madara's legacy. And then there could be a mysterious figure who seems to know more about her father's secrets than she does, and she has to figure out if this person is an ally or an enemy.
The baker, her father, could be a main character. He could be the one passing on his baking wisdom to his daughter. Also, a local customer who has a crush on the baker's daughter could be a main character. Maybe a rival baker in town who is always trying to outdo the baker's daughter.
One possible plot could be that Naruto and Hinata's daughter discovers she has a unique power that neither of her parents have. She struggles to control it at first and is afraid to tell her parents. But as she faces challenges in the ninja world, she realizes she must embrace her power. With the help of her friends and family, she overcomes her fears and becomes a great ninja in her own right.
I think Naruto could be one of the main characters. Since he's Kakashi's student, he might have a special relationship with Kakashi's daughter too. Maybe he acts like an older brother to her.