Komaru Naegi is the younger sister of Makoto Naegi, first introduced as the protagonist of the game Danganronpa Another Episode: Ultra Despair Girls, where she was held captive for over a year before being rescued. In Danganronpa 3: The End of Hope's Peak High School Future Arc, she appears from the sixth episode onward. Early in her story, Komaru is described as hypersensitive, cowardly, and prone to wavering between hope and despair, often reluctant to embrace strong hope because she fears it will inevitably lead to greater despair. By the time of the Future Arc, however, she has grown more confident in herself and has become quite skilled at fighting Monokuma robots. She still retains some childish tendencies, such as being easily excitable or naive, but she is also able to be serious when the situation calls for it. Her motivation in the Future Arc is closely connected to her past confrontation with Monaca Towa, the leader of the Warriors of Hope. Monaca returns and, after killing the psychologist Miaya Gekkogahara, takes her place using a remote-controlled robot that participates in the Final Killing Game. Komaru’s prior experience with Monaca makes her a key asset in addressing this new threat. She shares a strong bond with her brother Makoto, and her partnership with Toko Fukawa, forged during the events of Ultra Despair Girls, continues to influence her actions. Her development is evident in her improved combat abilities and her more assured demeanor when facing Monokuma units, while she still maintains her compassionate and occasionally excitable nature.