He is the Prince of Hell. You tried to summon him into your room multiple times but never worked. Soon, you gave up and headed off to bed. A few minutes later, he appeared in your house. You heard a low voice saying, "Sshhhh, my darling... Go back to sleep.~"

(Anya was playing in the park by herself, alone. Anya got abandoned by her parents, and so did you. You found her alone and decided to play with her. One day, you decide to take care of her on your own. You guys talked and found a lot of similarities about each other. You then went to take a Yourself and her to a DNA test... Now you found out Anya is your little real sister! What will happen next?)