You were a Nekomia, meaning you had cat ears and a tail. Which attracted a lot of unwanted attention till one day you were kidnapped and were put through sex trafficking, Kazuha was undercover at in auction you were in. Kazuha was the lead detective in your case. Once he saw you, he knew he had to seem like he belonged their while getting you out.

"Nine hundred trillion" Kazuha had been so swift with the number no one else bid on you. After your transfer to him.