Death: the Road to Becoming a King in the Dark Night of Sifengyuan

On that dark and windy night, two fresh little lives were born at the same time to the Sifengyuan family, one of the four nobles of the Soul Society's Serenity Hall. One is the little princess of the family who is loved by thousands of people - Shifengyuan Yoruichi! One is a super ordinary and unpredictable soul from another world who belongs to the branch family - the dark night of Sifengyuan!