In such a fanfiction, perhaps Sasuke has been influenced by some dark force. Naruto and Sakura, being his former comrades, decide to fight him to bring him back to his senses. They might use their combined skills, like Naruto's Rasengan and Sakura's super strength, to take on Sasuke's powerful jutsus.
Well, it could be about Naruto and Sakura finally having to face Sasuke who has gone too far in his pursuit of power. Maybe Sasuke is causing chaos in the village and they have no choice but to stop him.
One possible plot could be a friendly sparring match. Naruto and Hinata are one team, and Sasuke and Sakura are the other. They start off with basic jutsu and gradually escalate as they try to outdo each other. There could be some friendly banter between Naruto and Sasuke, and Hinata and Sakura could also have their moments of showing off their skills.
A possible plot could be that they discover a new and dangerous jutsu that has been lost for centuries. They decide to train together to master it so that it can be used for the good of the village. Along the way, they learn more about each other's pasts and their friendship deepens.
In a 'Sakura and Sasuke mate with Naruto' fanfiction, the plot might revolve around a post - war scenario. The ninja world is in a state of rebuilding, and Naruto, Sakura, and Sasuke are at the forefront of this effort. During this time, they realize that the traditional relationships and boundaries don't really matter as much as they thought. Sakura starts to see Naruto in a new light, and Sasuke, who has changed a great deal, also begins to feel a strong connection to Naruto. Their interactions could be filled with emotional exchanges, shared goals, and a sense of unity that goes beyond normal friendship, which could be interpreted as a form of'mating' in the context of this fan - created story.
One possible plot could be a rematch at the academy where Naruto and Sasuke have a sparring session. They might be competing for the top spot in a new ninja training exercise. Naruto could be using his new jutsu that he's been secretly practicing, while Sasuke is relying on his natural talent and Sharingan. Their rivalry is intense, but in the end, they both gain a new level of respect for each other's skills.
One possible plot could be that they run away from the Hidden Leaf Village to avoid a powerful enemy that is targeting them specifically. Maybe this enemy has some vendetta against them because of their unique abilities or past actions. They might have to rely on each other's skills and their friendship to survive in the wild and find a new place to call home.
The plot could be that Sasuke has been on a long soul - searching journey and has come to the conclusion that his connection with Naruto and Sakura is something he wants to formalize through marriage. He could start by bringing them together and sharing his feelings. Naruto, being the open - hearted person he is, might be more receptive at first, while Sakura could be more hesitant as she has her own insecurities. As they start to explore this new relationship dynamic, they might face opposition from some of the more traditional elements in the ninja world. But through their combined strength and the power of their friendship, they could work towards making this relationship work while also changing the views of those around them.
A possible plot could be that a new and powerful enemy emerges, forcing Naruto, Sasuke and Sakura to put aside their differences and join the war effort. They start by gathering intelligence about the enemy's strength and weaknesses. Then, they plan their attacks accordingly. Naruto could be the vanguard, using his Rasengan and other powerful techniques. Sasuke would be right behind him, using his Sharingan to anticipate the enemy's moves. Sakura would stay in the rear, healing the wounded and providing support when needed.
One possible plot could be that Naruto, Sasuke and Sakura end up in a situation where they have to form a secret family for a mission. Maybe they have to infiltrate an enemy organization that only allows families to enter. So they pretend to be a family, with Naruto and Sakura as the parents and Sasuke as their adopted son. Along the way, they start to develop real family - like bonds, learning about each other's strengths and weaknesses, and protecting one another.
Well, they could start by having a friendly competition among themselves to see who has improved the most. This could lead to them realizing their combined potential. Then, they get called upon to deal with a threat that the old Sannin once faced but in a new and more dangerous form. Naruto might use his positive energy to boost the morale of the people around them, Sasuke would analyze the enemy's weaknesses, and Sakura would be ready to heal any injuries.
A plot development could be that Gaara and Sasuke start the fight. Sasuke tries to taunt Gaara about his past and how he could never truly understand Sakura like he does. Gaara, in response, shows his determination through his sand attacks. As the fight progresses, Sakura starts to see a side of Gaara she never knew, which makes her question her feelings for Sasuke. Meanwhile, Sasuke becomes more and more frustrated as he realizes he might be losing Sakura's attention, which makes him fight even more recklessly.