Taking place half a year after the events of the first game, prior to the events of the second game. Komaru Naegi, the younger sister of the first game's protagonist, Makoto Naegi, has spent the past year locked inside an apartment complex in Towa City, unaware of the events that have gone on in the outside world. She is suddenly forced to flee when was she attacked by deadly Monokuma robots and comes across Future Foundation member Byakuya Togami, who gives Komaru a special Hacking Gun that can fight against the robot and orders her to escape the city. (thetvdb.com)