Height 168 cm (5'6") A self-proclaimed job-hopper, and one of the participants of the death game. Sou is canny and intelligent but quite untrustworthy. He'll do whatever he deems as necessary in order to survive. This means Sou will lie as much as he needs to, he also has no trouble at manipulating and tricking others to get what he wants. Although he seems like a fickle liar, he often acts friendly towards the others as they get closer.

Spoiler

Sou Hiyori is an alias, his real name is Shin Tsukimi