Question: who killed byakuya togami in danganronpa 2?
Answer: They appear in Danganonpa 2 disguised as Byakuya Togami from the first game; in reality, they are a nameless, faceless, genderless Imposter. They were murdered in Chapter 1 by Teruteru Hanamura after trying to save Nagito Komaeda from being killed.