In this fanfiction, there could be a situation where an enemy tries to steal the power of the 9 - Tailed Fox and Tsunade has to protect it. Tsunade, being one of the strongest in the village, takes on this responsibility. She sets up defenses around the area where the fox is sealed and battles the enemy ninjas. Along the way, she discovers new aspects of the 9 - Tailed Fox's power that she can use to her advantage in the fight.
Perhaps a fanfiction where Tsunade discovers a hidden connection between her own strength and the 9 - Tailed Fox. It could be that long ago, her ancestors had some sort of pact or encounter with the fox. Now, as she faces a new threat to the village that is somehow related to the 9 - Tailed Fox, she has to dig deep into her family's past to find a solution. She might find ancient scrolls or talk to the elders who know something about this connection and use that knowledge to save the day.
One possible plot twist could be that Naruto loses control over his transformation into the Nine - Tailed Fox in a completely unexpected situation. Maybe during a friendly spar with his friends, and this causes them to fear him in a new way. It would add a whole new layer of drama to their relationships.
His appearance would change a great deal. The Nine - Tailed Fox's features would start to show, like the ears and the tails. And his personality might also be affected. He could become more aggressive or more instinct - driven due to the fox's influence. There could also be a change in how his friends see him. Some might be afraid, while others would try to help him control this new power.
If Naruto was adopted by Tsunade in fanfiction, he would probably be exposed to a different set of values. Tsunade is a strong - willed and sometimes reckless woman. Naruto could pick up on her fearless attitude towards battle and also her more practical approach to leadership. Also, their relationship might change the power dynamics in the village a bit, as Naruto would be directly under Tsunade's wing.
One possible plot could be that Tsunade kidnaps Naruto because she believes an enemy is after him and she wants to keep him safe in a secret location. She might think that by taking him away from the village, she can train him without any distractions or threats.
One possible plot could be that Naruto snaps at Tsunade because she refuses to let him take on a dangerous mission. Naruto, being headstrong, believes he is ready but Tsunade, thinking of his safety, says no. This angers Naruto and he snaps, leading to a rift between them until they eventually come to understand each other's perspectives.
The plot could involve a mystery in the village. Strange things start happening, and Naruto, Sakura, and Tsunade have to work together to solve it. Along the way, they face various challenges, and their individual skills and teamwork are put to the test. They also learn more about each other's pasts and how it relates to the current mystery.
One possible plot could be that Naruto and Tsunade are on a dangerous mission together. During this mission, they face many challenges that force them to rely on each other deeply. This shared experience gradually makes them develop feelings for one another. For example, Naruto might be injured and Tsunade uses her medical skills to save him, which makes Naruto see her in a new light, not just as the Hokage but as a woman he could love.
A possible plot could be that a powerful magical artifact causes Goku and Tsunade to swap bodies for a while. During this time, they have to learn about each other's lives and powers. As they do this, they gain a newfound respect and admiration for one another. Eventually, when they return to their original bodies, their relationship has changed, and they start to fall in love. Or maybe there is a prophecy that only the combined power of Goku and Tsunade can defeat a great evil. As they work towards fulfilling the prophecy, they grow closer and fall in love. There could also be a plot where Goku is invited to the Naruto world for a martial arts tournament, and he and Tsunade meet there. Their relationship then develops as they interact during the tournament and the events that follow.
Well, one possibility could be that the OC, being the son of Tsunade, has to deal with the high expectations set by his mother's reputation. He might struggle to find his own identity in the ninja world, distinct from being just Tsunade's son. Maybe he has a special jutsu or ability that he discovers and uses to make a name for himself.