A possible plot could involve Sakura and Sasuke learning about their unborn child's potential powers. This could lead to them seeking advice from the older generation in their village. Also, they might have to protect Sakura from those who would want to harm the unborn baby because of its potential importance to the village.
One plot idea could be the challenges they face as they prepare for the baby. Maybe Sasuke is away on a mission and Sakura has to deal with pregnancy alone at first. Another could be how they both adjust to the idea of becoming parents. For example, Sasuke might be worried about his past and how it could affect their child.
A great plot idea could be that the baby has some sort of special power that no one has seen before. It causes both excitement and fear in the village. Sasuke and Sakura have to protect their baby from those who might want to use the baby's power for their own gain.
One interesting plot could be baby Naruto and baby Sasuke getting lost in the forest together. They have to rely on their budding instincts and nascent chakra to find their way back. Maybe they encounter some small, friendly forest creatures that help them. Another idea is that they accidentally switch places in the village for a day. This leads to chaos as the villagers react differently to them being in the wrong 'homes'.
Perhaps a plot where Sasuke and Sakura decide to travel the world together after getting married. They visit different places, learn about new cultures and ninjutsu. Along the way, they encounter old enemies who are now reformed or new threats. This journey not only strengthens their bond as a couple but also makes them more well - rounded ninja. They could bring back new knowledge and techniques to Konoha, which would be beneficial for the village.
One plot idea could be that Sasuke, Sakura and Karin are on a mission together. Along the way, they face a powerful enemy and have to rely on each other's skills. Sakura uses her medical ninjutsu to keep them all in good shape, Karin uses her sensing abilities to detect the enemy's movements, and Sasuke uses his combat skills to fight. Another could be a story where they have to solve a mystery in an ancient ninja village. They find old scrolls and artifacts that lead them on an adventure full of twists and turns.
A really cool plot could be that there is a prophecy related to Sasuke, Sakura and the ANBU. An ancient evil is rising and only the combined powers of Sasuke's Sharingan, Sakura's medical and combat skills, and the resources of the ANBU can stop it. They are forced to put aside their differences and form an unlikely team. Along the way, they face many challenges that not only test their abilities but also their growing feelings for each other.
One plot idea could be that Sakura and Sasuke are turned into vampires against their will. They then have to struggle with their new natures while also trying to protect their loved ones from the vampire world. For example, they might have to fight other vampires who want to use their new powers for evil.
One plot idea could be Sarada trying to learn more about her father Sasuke's past adventures. She could ask Sakura for stories, and together they could go on a small journey to a place important to Sasuke's past. This would strengthen their family bond.
One idea could be that Sakura finds drunk Sasuke in a forest. She tries to take him back home while he rambles about his past traumas. Another could be that at a party, drunk Sasuke confesses something unexpected to Sakura. For example, his true feelings about their relationship that he's been hiding.
A plot could also involve a time - travel scenario. Sasuke, Tenten and Sakura are sent back in time to the era of the First Hokage. They have to adapt to the different ninja world of that time. Tenten discovers ancient weapon - forging techniques, Sakura learns about the primitive medical ninjutsu, and Sasuke has to deal with the different power dynamics and political situations. They must work together to find a way back to their own time while also not changing history too much.
A possible plot could be that Sakura discovers a new medical ninjutsu that has some unexpected side effects on Neji and Sasuke's chakra. This causes them to have to work together closely to figure out how to reverse the effects. Or perhaps there is a prophecy that only Sakura, Neji and Sasuke together can fulfill, which involves facing a powerful and ancient evil that has been awakened.