Warriors of Hope (what was there role in this) will have spoilers sorry

Description

The Warriors of Hope is a group of RPG-fanatic children who murder adults in the name of Monokuma and their Savior, Junko Enoshima. They control the Monokuma robots and the Monokuma Kids.

The Warriors' ranks are apparently divided into five classes based on generic RPG character classes - "Hero", "Fighter", "Priest", "Sage" and "Mage" - with each class being led by one of the organization's five leaders. The five classes of the organization can be distinguished by their respective emblems, which can be seen of the outfits of each of the five leaders.

Objectives

The Warriors of Hope claim their goal is to rid Towa City of adults and then turn it into a "paradise for kids" as they envision it. Their official name for this operation is "Demon Hunting"; further developing the RPG-setting they apply onto reality, calling all adults "Demons" which they must hunt. In reality, the true leader of the organization, Monaca Towa plans to drive Komaru Naegi to despair by forcing her to witness countless of atrocities with the intention of using her body as the vessel for the rebirth of Junko Enkoshima. While they failed in turning Komaru into Junko, the despair of Monaca's plans failing was sufficient enough for Monaca to become the ideal candidate for Junko's rebirth. 

Trivia

• The name of the Warriors' adult-eradicating campaign, "Demon Hunting", is probably a reference to the Monster Hunter franchise. Also, the logo of "Demon Hunting" screen seems to be based on the logo of the video game Demon's Souls.
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• The font used when displaying the Warriors of Hope and Monokuma Kids' speech is different from the rest of the characters' (who are all older) and is designed to look like a child's handwriting.
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• Unlike the "Ultimate" titles of all other known characters to date, the "Ultimate" titles of the Warriors of Hope are written in Japanese as  chō shōgakusei kyū (lit. Super Elementary Schooler Level) rather than  chō kōkō kyū (lit. Super High School Level); which is logical considering their age.
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• It is likely that the Warriors of Hope are around the ages 11 - 12, as a note called "For the sake of my daughter" talks about Kotoko's past when she was around 10 years old.
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• Children in Japanese schools start at the age of 6 and stay in elementary until they are 11 years old.