Disclaimer: Must I go through this again?
Chap 6
"Y-you will?' Sirius said surprised. It was the morning of Yule (December 21st) and everyone was exchanging presents. As soon as Sirius had emerged in the common room, Leah approached him.
"Yes, Sirius. I would be honored to be your date to the Yule Ball." Her kindness faded quickly when Sirius began laughing. "What're you laughing at?" she said angrily.
"Sorry, it's just that I had made all these plans to try and get you to go to the Yule Ball with me, all for nothing. I wouldn't have bothered if I had known you would agree."
"This is your Christmas present from me." Leah said smiling.
"Oh! That reminds me!" Sirius reached into the pocket of the robe he was wearing. "This is for you." He pulled out a small red velvate box and handed it to her. Breathless, she took it and gasped when she opened it.
"Oh, Sirius! You shouldn't have!" She hit her forehead with her hand. "That sounded so stupid." Inside the box was a golden ring with a single sapphire in it. Sirius took it out of the box and put it on her finger.
"Oh, good. It fits. I didn't know your ring size, so I kinda just guessed."
"You must've had plenty of practice in buying rings."
"Actually, no. I've never bought a ring for anyone before."
"Thank you." Then she did something that surprised everyone in the common room, Sirius, and even herself. She kissed him.