Gender: Male Age: Immortal Death "May you die in this beautiful and lonely city." Sergio's the demon who manages the time. He was born in the time that people wasted and passed meaninglessly, and he is obligated to manage those times. He is an immortal who has lived for a very long time. He is a demon who is cold-blooded and has little expression of emotion, but he listens to the stories of those who come to his space calmly.