A Bunny for the Bear by Allie W. Scott

Ross is hoping to start over. After growing up in a toxic pack as the only bunny shifter, he needs a new, safe place to go. The minute he finds out about Collier Cover, the small town warded to keep ill-willed shifters out, he knows he’s found safety. He never expected to find his fated mate there too.
Hutton only wants to his aunt to stop badgering him about a visit. She wears him down enough to agree to take his annual two month summer trip to his hometown. It’s meant to keep her happy and nothing more. But then Fate decides to throw a wrench in his plans by delivering a mate who is terrified of the fact that he’s a bear shifter.