背景介绍胡编的，设定实际上说cerene是吸血鬼女王，作为永生者闲得无聊于是搞男女主的心态解闷。
Cerene’s interest in Sophia is one of simple pleasure. Leading a clan of immortal, self-interested vampires doesn’t demand much of one’s time, so spying on Tristan and his lover over the years served as occasional entertainment for Cerene.
