I have 2 suggestions.
1. Pound Puppy by Danyelle Sama.
It can be found here: www.dokuga.com/fanfiction/story/5042/1
Cursed, Sesshomaru is stuck in his beast form and caught by the dog catcher
It is a nice little one-shot. Rated MA.
2. Snow Angel by Sunset Miko.
It can be found here: dokuga.com/fanfiction/story/8447/1
After the Lady of the West casts a vicious spell on Sesshoumaru, he finds himself weak
and helpless, on the brink of death. Kagome stumbles across the taiyoukai and saves
his life, causing him start to see things a different way.
It is a story of many chapters. Also rated MA.