This is driving me crazy because I just can't remember what fic this is. I think Sesshoumaru and Kagome are dating and he buys her some very expensive diamonds and then takes her to a charity event where "thieves" steal the jewelry from the women and their dates have to buy them back. I think Kouga was one of the "thieves". If anyone could help me find this I would greatly appreciate it.

Letters by Angelic Memories
Rin wants a mother to care for her but she doesn’t like the women her father sometimes brings home. She takes control of the situations and searches for a woman she wants to be her new mother. The best way to do that is to... steal a letter? *Rated for Later Chapters*
Rating: MA - Universe: Alternate - Status: Complete - Category: Chapter Stories - Genre: Dark, Humor, Romance, Tragedy - Updated: 11-09-10 - Created: 08-15-08 Chapters: 20 - Reviews: 86 - Words: 94,540 - Reads: 69,78

Thank you so much!!!