They were called to help Amegakure vanquish ronin. As part of the mission, Naruto and Sakura infiltrate the "ninja school" and are forced to room together, providing situations both would rather avoid. Even as many people become suspects for progressive murders, Naruto and Sakura grow closer and closer before the rogue group of ninja move in to attack. Not AU/M for future chapters.

Questioning only briefly why he's there anyway, a human from the real world ignores the rules of the game and drags Oscar of Astora on a grand adventure to discover the truth of the conflict between Light and Dark. But more importantly to impress his waifu.

You know those times where you look at a game and say to yourself "If it was me in there, I would do it better"? Don't do that, that is what we call 'tempting Fate', and it will never end well.