|Occupation||President and Director of Real Account Co., Ltd.|
|First Apperance||Chapter 5|
"Probably some riot that's going on... Well, it doesn't matter. Within a few days, we won't be here anymore. A toast...! To the new world that is to come!"
– Masahide Eniguma when celebrating with Marble, Chapter 32
Masahide Eniguma (恵庭熊 雅秀, Eniguma Masahide) is the President and Director of Real Account Co., Ltd. Along with Marble, he served as the main antagonist of the series.
It's implied that Masahide know about the CAP Technology and tried to ask the Kashiwagi Laboratory members to join his project Real Account, but it's failed. Later, Masahide order Marble to kill Ataru Kashiwagi (Who later known as Yuuma Mukai) to forced the Kashiwagi Laboratory members to join his project.
Chapter 1-10 (First Season)
Masahide first appeared at Chapter 5, having a interview in the news about the Real Account incident. Masahide announced that he will closed the Real Account website in 10 days later, to prevent the incident to happen again in the future. Masahide also said that he hope the "players" can returns to the real world as soon as possible. After finished the interview, Masahide left the area with having a lot of criticisms from the people.
Chapter 11-70 (Second Season)
Masahide make a cameo appearance in the beginning of Chapter 22, when Ayame watching the news about he will closed the Real Account website in 10 days later. Later in the night, Masahide having a meeting with Marble and stated that they will creating a new world in within few days.
Masahide appeared again at Chapter 51, along with Marble was try to stop the fight between the Kashiwagi brothers. Masahide then tells Ataru that the time to "eliminating" Yuuma still haven't come yet so he need to go back to the Real Account Co., Ltd with them. Later after Marble destroys the whole company, Masahide appeared alongside with Marble while taking Nanako Yuzuhara with them. Mashide leave the company with taking Nanako away along with Marble.