What's the name of the mother of the gray maze man?

Did not disclose. According to the query of the gray maze animation, it can be seen that the male host in the gray maze is the mother summoned by the third person, and the names of the male host and the mother are not disclosed in the play. The Grey Maze mainly tells the story of Kazami Yuuji's childhood and her sister Kazami Kazuki. Her sister was suspected to be dead, and she killed her father. Her mother took the blame for her suicide, and was later adopted by an arms dealer and trained as an agent.