Ookami no Kawa wo Kabutta Hitsuji Hime

Aki Rikujou, a Wolfa, works as a butler at the royal castle in the land of Sheepa. Her quiet and peaceful days get shaken up when she saves the life of Princess Momo Shiudafaris. The shy sheep princess immediately latches onto Aki who, before she knows it, becomes the princess's private tutor. Momo wants more than just math lessons from Aki, and even sneaks into the wolf-woman's bedroom to seduce her! Aki soon realizes that, under the timid woolly exterior, Momo is a wild animal!

(Source: Seven Seas Entertainment)