The protagonist was once a famous genius, but now he is poor.Addicted to alcohol every day, he only complains about his past glory and persecution due to jealousy, so that people around him laughed at him as a "bragging scholar". One day, he woke up drunk and found himself in an underground cemetery with demons wandering around. The mysterious girl "Foxy" who met in the cemetery taught him the necromancer magic. At the same time, he met the undead girl "Kagaribi" who called him master and loyal to him. A frustrated Ex-genius, an indifferent immortal girl. Master and servant, owner and tool. In the constant day and night, the relationship between the two seems to have gradually changed. With the lost past of Kagalibi and the real purpose of Foxy gradually revealed, the ending of the two has moved towards an unpredictable future.