Reading an epic tale of one of the Third Hokage's missions, a 6 year old Naruto sets himself on getting some awesome summons of his own. Unable to find a contract on short notice, and not understanding why a contract is required, he goes through the necessary motions anyways and winds up in Equestria. Can Naruto convince the locals to let him be their summoner? Is the ninja world ready for the likes of Pinky Pie? Just how much will a young Naruto benefit from the Magic of Friendship?Friendship Contract is a Naruto/My Little Pony: Friendship Is Magiccrossoverfic by Demiristraz, and can be read here on Fimfiction.Net.However, the fic has not updated since July 2012, with no explanations (or anything else) from the author, and has thus likely become a Dead Fic.
Constantly lampshaded by Twilight Sparkle and, to a lesser extent, Naruto and Sasuke on some of the ninja techniques, such as where in the world the logs keep coming from with the replacement technique.
Sakura REALLY doesn't like the nonsense that is the 'reality breaking armor'.
Brick Joke: Early in the story, Kiba comments that he can't wait until he can drink hard liquors. Over a dozen chapters later, he's trying to convince Anko to give him some of her hard apple cider.
Bunny-Ears Lawyer: Kakashi makes a special note that Naruto is approaching these levels with his tricks compared to the other students. The orange ninja also seems to have picked up some habits from a certain pink pony…
Chekhov's Gun: The chakra seals that Pinkie Pie had stored up from Naruto.
Discord jokingly says 'believe it' when Naruto doesn't trust him.
To lure the Sound Five into a false sense of security, Naruto sends in a team of clones disguised as the original team sent to get Sasuke from canon.
Cool Airship: The Ixion, a craft built by the Cutie Mark Crusaders and outfitted with several powerful weapons (and which earns two of them their cutie marks). It takes a lot of chakra for Naruto to summon it.
Dangerous Forbidden Technique: Commented on. Sakura grumbles that she needs to 'learn to use the gates or something' because she's the only character without such a technique.
Besides the differences Naruto's upbringing under the Ponies makes (for instance, his contract with them precludes him from getting one with the toads), the Chuunin Exams alone see Karin make a Heel-Face Turn, Sakura defeat Ino instead of drawing with her, Hinata not lose as badly and actually deal a blow to Neji that leaves him barely able to stand, Rock Lee come out of his loss to Gaara without serious injury (thanks to Sweetie Belle talking Gaara down), and the Third Hokage survive his fight against Orochimaru thanks to Luna.
With Naruto forcing Sasuke to not withdraw into himself and keeping him from witnessing Itachi's Tsukiyomi and murder of their parents, Sasuke is almost a completely different person. Upon hearing that Itachi came to Konoha dressed in a black cloak with red clouds, he immediately left… to grab Sakura, since the black cloaks with red clouds indicate that Naruto is in danger from Itachi.
Foreshadowing: A character in chapter 16 thinks in wonderment at a 'real life Uzumaki' being at the exam. It's Karin, his cousin.
Handicapped Badass: Master Patch, strongest of the Diamond Dogs and Sakura's trainer during her training trip in Equestria is blind and wields very Earthbender-like abilities. Stated by the author to be an homage to Toph.
Even with all of the other changes that happen, Team 7 still gets stuck guarding Tazuna and escorting him back to the Land of Waves.
The matches post-Forest of Death are still the same, though some of the outcomes are tweaked.
Also the Kazekage Rescue Arc, despite the changes in tecniques and the added ponies, the result is basically the same as the manga.
Kill It with Fire: Twilight's response to one of Jiraiya's adult-only books after she reads it.
Killer Rabbit: Or Chihuahua, in this case. Who would've thought one named Master Patch would be the best fighter of the Diamond Dogs?
Lampshade Hanging: A lot of it in general, but a shining example is found in the comment on the trope New Powers as the Plot Demands with the development of chakra usage in the ponies. Twilight comments that "It's not like we're just suddenly developing new powers to keep up with the plot of some bad novel", as they've been working towards it ever since the beginning of the story.
Mad Scientist: Pinkie Pie is slowly becoming this, what with her experimentation with chakra and seals and her curiously effective inventions.
Mama Bear: Strangely, Luna is extremely protective of her 'adoptive foal', Naruto.
Master of Illusion: Of the pony ninjas, Rarity is the illusion expert. In over a year of her ambushing Naruto with them, he has never yet managed to realize he was even in a Genjutsu in less than 15 minutes.
Kakashi decides to take a page out of Naruto's book and suggests a competition of summoning narwhals to his Snow Country opponent.
Necessary Evil: Discord points out his purpose as this, ensuring that Utopian societies don't decay and ensuring the status quo doesn't remain constant.
Nice Job Breaking It, Hero: Subverted. Sakura accidentally breaks the gate keeping evil at bay in Equestria, but she's reassured that there are backups.
No Indoor Voice: Luna has to be reminded to use her indoor voice the first time she's summoned.
The Nondescript: Naruto's use of yin chakra makes the Shining Armor technique turn him into this, preventing anyone from noticing his presence even if he tries to draw their attention to him. Unless they can see chakra.
Noodle Incident: Las Pegasus. They mention a few things, such as losing Sakura for 6 hours and Lee winning a champion belt, but don't quite mention how these things happened or much of anything else besides it being good blackmail material for all of them.
Offscreen Moment of Awesome: In the Forest Of Death during the Chuunin Exams, Luna fights and drives off Orochimaru. However, the narrative focuses entirely on Sasuke and his new Cursed Seal while this is happening.
Oh, Crap: A certain spirit of chaos seems to have made his way to the Elemental Nations for unknown reasons, save for wanting to watch Naruto's efforts to become Hokage.
Naruto's cloud jutsu that allows him to create a small cloud upon which he can fly, which he trades to Sarutobi's ape summoning for a blank summoning scroll.
Naruto stealing Sasuke's shirt and covering him in glitter, making him look like a vampire.
And after Sasuke's Cursed Seal gets a Luna-made seal themed after the phases of the moon, Naruto (jokingly?) tells him that unlocking the full power of the seal requires Sasuke to shout out "Moon Princess Power!"
Unusually Uninteresting Sight: Watching Naruto get tossed through buildings and assaulted by Tsunade isn't nearly as interesting as Twilight Sparkle's discussion on pony ninjas, apparently. The ponies are, in general, becoming this in Konoha thanks to Naruto's efforts.