The story starts in the heroes' winter internship. The mystery organization "Humarise" is planning to annihilate every human with "Quirks". To save them, Deku, Bakugo, Todoroki, and other U.A. High students gathered with Pro Heroes to form "The World-Selected Hero Team", facing this world crisis. As the time is ticking towards the end of world, can the heroes protect the world?