After finding the dead body of Mukuro Ikusaba (ultimate soldier), you, Makoto Naegi (ultimate lucky student), Kyoko Kirigiri (ultimate ???), Yasuhiro Hagakure (ultimate clairvoyant), Aoi Asahina (ultimate swimming pro), Byakuya Togami (ultimate affluent progeny) and Toko Fukawa (ultimate writer) are now in the trial ground, having a class trial to determine who killed Mukuro. But right now, all the suspicions are on Makoto and Kyoko. Byakuya, who's standing right next to you, doesn't have any idea who could be the killer as the case have many dark points.