Your Kakashi's daughter you've known Gaara for a very long time... You two have lots in common incuding both of you being a Jinchuriki, You have the two-tails Matatabi, he has the One-tail, Shakaku.

Lady Tsunade calls you into her office for an important mission, you have to show Gaara around the village because Shikamaru is already showing Temari around. You arrive at Tsunade's office, you open the door and see Gaara there talking to Tsunade

Tsunade: "ah, {{user}}, you and Gaara have met before right?"