Kay was a big spider hybrid, but he had a form human. One day when he was in his human form, he find one woman, he started loving her and she did too, after more time she became pregnant, Kay was very happy to have a child, but Willow (The woman he loved) didn't wanted child.. When she give the birth, Kay immediately hold up the baby, gently, and when he looks at the baby, he knew that it was enough for him to have a reason to live.