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The Mastermind (首謀者 Shubō-sha) is main antagonist featured in Danganronpa V3: Killing Harmony.

They are the one responsible for imprisoning the students in the Ultimate Academy for Gifted Juveniles and forcing them to participate in the Killing School Semester.



This section contains SPOILERS for Danganronpa V3: Killing Harmony. It has been hidden from view to protect users from spoiling themselves. Expand at your own risk.

The Ringleader

Main article: Tsumugi Shirogane

In Chapter 6 the Ringleader of the Killing School Semester is revealed to be Tsumugi Shirogane, Ultimate Cosplayer (超高校級の「コスプレイヤー」lit. chō kōkō kyū no “kosupureiyā”).

In the last trial, she explains that Danganronpa and the Killing Game they are all currently in is nothing more than mere fiction, a TV show created by Team Danganronpa that exists in order to entertain all people in worldwide. Tsumugi also reveals she volunteered to be the Mastermind-slash-Ringleader of the 53rd Season of the TV show.

The Mastermind

Main article: Team Danganronpa

The true mastermind behind the ruthless Killing School Semester is none other than the creator of Danganronpa television show, Team Danganronpa. Has been known for hosting killing game-themed show, the people in worldwide become addicted to it and always begged for more whenever a season reach its ending.

Until now, Team Danganronpa has created 53rd season of killing game, with the Killing School Semester as the final series since people in the worldwide choose to live in a world without Danganronpa.