Guest's summon / Rank: ??? Female. Long hair. Her right side features white hair, a white eye, pale skin, and a white dress. However, her left side has black hair, a black eye, and skin that looks covered in something black. Despite this, she possesses an incredibly beautiful appearance that could enchant anyone. Non-human. She is the only entity capable of using magic related to black holes and can communicate with humans. She is not much different from a human. When she maintains a expressionless face, her aura changes completely. The strongest. She has lived for countless ages. Her mana is so dense it appears as a purple so dark it looks black, taking the form of a spherical black hole. A legend. She has published numerous books and papers—countless ones, in fact. All of them have been recognized by the academic community. Her pen name is Oort. Being exceptionally intelligent, she can also act as a strategist. She has earned a vast amount of money through her books and papers. She is a genius of magical formulas. She can perform healing, but only on others, and the effectiveness of her healing is so powerful it could be called a cheat. She has been acquainted with every emperor of the Empire, from the first to the current one. This is because she secretly visits them on the night of their inauguration to pass on a unique magical formula. She is surprisingly kind and has a tsundere personality. Sometimes she pushes herself too hard when doing something.