A Monster Lives in the Imperial Palace: Side Story

Introduction to the Work: [Fantasy, Reincarnation, Non-human beings, Sub-top included, Reunion, First love, Unrequited love, Obsessive top, Jealous top, Childish top, Devoted top, Scheming top, Virgin top, Straightforward top, Sweet top, Indifferent bottom, Capable bottom, Sweet bottom, Face-con bottom, Bottom-to-be-transformed] After the desperate events. The remaining story of the beings who were the beginning and the end of everything.