Tsunade can be developed in terms of her vulnerability. As the Hokage, she is often in a position of power and authority. But in this fanfic concept, being ticklish reveals a more human and approachable side of her. She may become more open to Naruto's antics and show a softer side that she usually keeps hidden. This can also lead to her trusting Naruto more and sharing more of her thoughts and feelings with him.
Naruto could be developed by having him face moral dilemmas that Tsunade has already experienced. Tsunade can guide him through these, and in the process, Naruto becomes more mature and worldly. Tsunade's character can be developed by Naruto challenging her traditional ways. For example, Naruto might suggest a new approach to handling village finances or medical training, which forces Tsunade to adapt and grow. This interaction would make both characters more three - dimensional in the fanfic.
Perhaps a shared experience like fighting a common enemy could bring them closer. If they are in a battle together and Naruto saves Tsunade's life, or vice versa, it could be the start of a deeper emotional connection. Tsunade might then open up about her family to Naruto, and Naruto could share his own feelings about family, as he has always longed for one.
Naruto, being sub in this fanfiction, could develop a deeper sense of respect for Tsunade's experience and wisdom. He might become quieter in some ways, observing and learning from her more. Tsunade's personality can be developed to have a more possessive streak towards Naruto due to her dominant role. But at the same time, she'll also have to deal with her own insecurities about whether she's being too overbearing. This can lead to a more multi - faceted development of her character as she tries to balance her feelings and actions towards Naruto.
For Naruto, he could develop by learning more about leadership from Tsunade. He already has his own unique style, but Tsunade's wisdom in leading the village could give him new insights. Sakura could develop her medical ninjutsu further under Tsunade's guidance and also become more confident in her combat abilities. Tsunade herself could develop by seeing the new generation, Naruto and Sakura, grow and be inspired to take on new challenges for the village.
For Naruto, his nurturing side would really come out. He'd be the one constantly trying to cheer the baby up, making funny faces and using his positive energy. His impulsive nature might also lead him to make some hasty decisions about the baby's care, like trying a new food without thinking it through.
One possibility is that there's a mission where Naruto and Tsunade are paired together. Along the way, Naruto gets into some mischief and tries to tickle Tsunade to cheer her up when she's feeling stressed about the mission. Tsunade initially acts annoyed but then realizes it's all in good fun. This could also be a way for Naruto to bond more with Tsunade on a personal level, rather than just as the Hokage and a ninja.
Their relationship can be developed through shared experiences in the medical field. For example, they could work together on a difficult medical case that requires both of their skills. This would force them to communicate, trust each other, and learn from one another.
Well, one way is through character backstories. The female vampire could have a tragic past that Naruto helps her overcome. For example, she was turned into a vampire against her will and Naruto, with his positive attitude, shows her a new way of living. This would build an emotional connection between them.
For Naruto, you can focus on his growth in understanding a new character like Sheeva. He could start by being curious about her strange powers and appearance. As the story progresses, his development could be shown through his ability to adapt to working with her. For Sheeva, her development could be about learning the ways of the Naruto universe. She might start off being very independent and distrustful, but as she spends time with Naruto, she could become more open - minded and collaborative.
Characters can be developed in a 'naruto hotspring fanfic' through their interactions. For example, Sasuke, who is usually aloof, might open up a bit in the laid - back atmosphere of the hotspring. He could share some of his thoughts on the future of the ninja world. This would not only develop his character but also his relationships with the other characters. Also, side characters could be given more depth. If a minor character has a fear of water, the hotspring could be a place for them to face that fear, and through that, their character can grow.