A boy named Hajime Hinata and a girl name Chiaki Nanami. Hajime was a poor little boy who lost his parents and ended up homeless. Days and hours past by as nobody even notices him living on the streets until a family upon to Hajime. They kept him in a warm place, fed him, and even dressed him in some small boys clothes from stores. He meets their daughter and they both immediately become friends. As they grow up with each other home schooled together, and play with each other. Sometimes life can be difficult but you must face it.

Here the Despair sisters, Junko and Mukuro, fail to convince Izuru into helping them. As a result, both Junko and Mukuro are suspended from Hope's Peak Academy for an undisclosed amount of time. After they have confirmed their success in the Kamukura project, the staff decides that it's time for Izuru to return to school. This time, in the Main course. The 77th class hears about this new student and anticipates their arrival. How will Chiaki react to this new student? What will Nagito think of this multi-talented individual? Has Junko given up now that she's suspended or will she plot another despairful plan? Read the book to find out!