What are some interesting plotlines that can be created with Naruto having the bird summoning contract in fanfiction?

Well, in some fanfictions, Naruto having the owl summoning contract could lead to him being involved in a whole new set of missions. Maybe he's sent on secret espionage missions with his owls, who can fly silently and undetected at night. Also, the owls could be used in combination with his other jutsu. For instance, he could use shadow clones and then send the owls to different locations with the clones on their backs to cover more ground during a search for something or someone.

The crows in the summoning contract could provide Naruto with unique transportation options in fanfiction. They could carry him quickly over long distances, which would be useful for getting to different battlefields or missions in a hurry. Additionally, the crows might have some sort of connection to the spirit world or possess special knowledge that Naruto could access. This would open up new story arcs where Naruto delves deeper into the mysteries of the Naruto universe through his connection with the crows.

One interesting concept could be new types of summons. For example, instead of the common toads, snakes or slugs, there could be mythical creatures like phoenixes or griffins. This would change the dynamics of battles and alliances in the Naruto universe.

One interesting concept could be the unique combinations of summons. For example, a character might be able to summon both fire - based and water - based creatures simultaneously, leading to new and unexpected battle strategies. Another concept could be the origin and history of these multiple summoning contracts, perhaps they were created by an ancient shinobi who had mastered different elements.

One interesting story could be about a character who discovers a hidden power within the raven summoning contract. Maybe they find a way to summon a special type of raven that has unique abilities, like the power to see through illusions. This could lead to them helping their team in battles against powerful enemies.

One interesting plot could be a character discovers an ancient and forgotten summoning contract. This might lead to them summoning a powerful and unique creature that no one has seen before, changing the power dynamics in the Naruto world.

One idea could be a story where a young and inexperienced ninja discovers an ancient slug summoning contract. They initially struggle to communicate with the slugs but gradually form a deep bond. Maybe they use the slugs' unique abilities, like their healing powers, in unexpected ways during battles.

One interesting plotline could be Naruto accidentally signing a harem contract and having to deal with the various female characters suddenly being very affectionate towards him. It creates a lot of comical situations as Naruto is usually oblivious to such things in the original series.

One interesting fanfiction could be 'The Hidden Summoning: Naruto's New Contract'. In this, Naruto discovers an ancient and powerful demon summoning contract that has been lost for centuries. It takes him on a whole new adventure, changing the way he battles and interacts with the ninja world.

In some 'naruto cobra summoning contract fanfiction', there could be a story where the cobra summons are connected to an old prophecy. The protagonist, by signing the contract, is thrust into a journey to fulfill this prophecy. They might have to overcome internal and external obstacles, like dealing with other ninja clans who are jealous of their new power and also understanding the true meaning of the prophecy which is hidden in the cobra's lore.