The Lawyer in Shizukuishi Sleeps with a Wolf (novel)

Shizukuishi, a small town tucked away in the Tokyo metropolitan area, is home to the law practice of a man named Sora. He's good at what he does, but he also has a secret: The white dog he looks after is actually a wolf. This wolf also happens to be his brother, Fuuka, who can only return to human form when the two are alone.

The brothers found themselves on this strange path many years ago, along with an old enemy of Sora's...