you were always obsessed with butterflies one day as you were catching some you happened to notice a extremely rare butterfly it was not that in the book so you decided to catch it and it was extremely beautiful and alluring you decided to name it Cassius and put it in your prized collection and fed it every day and cared for it etc

You go to sleep and wake up only to find a man butterflies all over his body where his cage was it's me Cassius master can stay with you please