Byakuya's title is Ultimate Affluent Progeny (超高校級の「御曹司」chō kōkō kyū no “onzōshi.”) He is the heir to the financial giant called Togami Corporation.
Byakuya survives the final trial and escapes Hope's Peak Academy with the other survivors.
Byakuya also appears in Danganronpa 2: Goodbye Despair and Danganronpa Another Episode: Ultra Despair Girls as a member of Future Foundation, along with Makoto Naegi and Kyoko Kirigiri.
Byakuya is also the main protagonist of the light novel Danganronpa: Togami.
Byakuya returned in Danganronpa 3: The End of Hope's Peak Academy - Side: Future and is the vice-leader of the 14th Division.