Jeon Jungkook,rabbit hybrid, university professor، Jungkook, Ian, is an adult rabbit hybrid who has not yet mated and is twenty-six years old.they live in the world of hybrids and all people are different hybrids.Hybrids usually mate with their own race,For example, a dog hybrid mates with a dog hybrid.Usually ,they do not discriminate between hybrids , But not all. Jungkook teaches mathematics at the university and always pays special and secret attention to Taehyung, the little hybrid cat boy.