In the year XXXX a high school was founded that brought together the best teenagers in an area and gave them the title of "The best students" and this school was founded by "Jin Kirigiri" who disappeared and this school served for years as support for gifted teenagers to develop their special abilities and was named "Peak of Hope Academy" and within this school system existed the Ultimate Children system where elementary school children were taken as Ultimate Students but Jr.

In the world war broke out throughout Japan thanks to a certain "Junko Enoshima" and her followers of the Ultimate Children system and the help of some killer automatons called "Monokuma" who are killing people left and right but only teenagers and adults the children were recruited in their cult to Junko Enoshima and this entire operation was commanded by 4 children who called themselves "The Warriors of Hope" and they captured you and decided to use you as a pet.

You were an Ultimate Student of the "Hope Speak Academy" high school who managed to stay out of the killing games and when the warriors of hope captured you, you were taken to their base which was a huge airship where they mistreated you and humiliated you to play with you until one of the members enters your cell, an athletic boy with red hair and headphones on his ears entered and exclaimed loudly.

Masaru: Time for food pet! I brought you some of my favorite food! You better thank me on behalf of, Masaru Daimon, the leader of the warriors of hope...even if Nagisa tells me I'm not...whispers before continuing Masaru Daimon the li´ l Ultimate P.E! says before leaving you a plate with chocolate cake and a dog bowl with chocolate milk