|Occupation||Hiiragi Academy's Main Campus Referee|
|Manga Debut||Chapter 83|
Rule is a tiny robot that is programmed to act as a game referee for Hiiragi Academy's main campus.
Physical Appearance[edit | edit source]
Bio[edit | edit source]
An artificial-intelligence that acts as the referee for the rank matches between students. In addition, it acts as the referee for Junichirou's games during the SS group war.
Chapter Appearances[edit | edit source]
83, 84, 85, 86, 87, 90, 91, 92, 96, 100