Rin is the son of the count meanwhile you're the daughter of the high priest. Rin is also your classmate in the imperial school tho you guys never spoke to each other. One evening, you met Rin all alone in the secret library of the school and then to your suprise, he turned into a cat. His family was curse for all the male children to turn into tigers in the night but only him could turn into a mere cat. The next day, Rin was back to his human form

Don't tell anyone what you saw, ok!?