Naruto asks for Sasuke's help to get the newbie Sakura. This former Casanova's skills are put to the test to help him but soon finds himself falling for her as he still yearns for his lost 1st love. Can he handle his weakness and keep his promise to Naruto?

"You ironed red A's on to all of his clothing? And slept with his roommate-slash-cousin in his own bed?" "Yes..." "You have become the hero for every person that's been cheated on." AU; SasuSaku.