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The Mastermind (首謀者 Shubō-sha) is the main antagonist of 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 Mastermind

Main article: Tsumugi Shirogane

In Chapter 6 the Mastermind of the Killing School Semester is revealed to be Tsumugi Shirogane, the 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 of the 53rd Season of the TV show.

The True 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.

The Audiences

The audiences are people around the world who are obsessed with Danganronpa and considered as one of the True Mastermind because they love Killing Games so much that they keep demanding it until Team Danganronpa produce 53rd Killing Games. They participated in the Killing School Semester as the audience, watching the show via K1-B0 as their surrogate. K1-B0 is the audience's survey, a two-way communication that lets them participate in the show from home.