Familiar Taste of Poison (гет)

Someone is poisoning women the night before their wedding in Sunagakure and Gaara requests Sakura to look into it. Given the number of shinobi in the area, she and her partner have to go deep undercover as an engaged couple, and who does the Hokage choose to assist her but Hatake Kakashi. It should be a relatively straightforward mission until they meet up in their civilian disguises and realize that they are far more intimately acquainted than either of them ever would have guessed.
“Ah, Sakura-chan. If you see that guy you met in Suna a while back, make sure he doesn’t recognize you.” Naruto’s eyes twinkled with mirth as he added, “Even if he was the best sex you’ve ever had.”