Hiding the Truth

Sakura Haruno isn't really a ninja. She's actually an Assassin, and in order to hide her secret, she "vanishes" after the Wave mission. But 3 years later, when it's a requirement to have an Assassin on every team, Sakura Haruno is back with Team 7 once again, but they don't know that it's her. This does not make her happy. Full Summary inside! Eventual SakuraxKakashi.