Ultimate Imposter

Byakuya Togami (十神 白夜 Togami Byakuya), is one of the characters featured in Danganronpa 2: Goodbye Despair.

They has the title of Ultimate Affluent Progeny (超高校級の「御曹司」chō kōkō kyū no "onzōshi"). Much later, it is revealed by Monokuma that they is not actually Byakuya Togami from the first game; rather, a nameless, unknown student with the title Ultimate Impostor (超高校級の「詐欺師」chō kōkō kyū no “sagishi”), simply acting as Byakuya.

They was murdered in Chapter 1 by Teruteru Hanamura after they tried to save Nagito Komaeda from being killed.