Hajime is a laidback and generally friendly person who often shows interest in other people's health, though seems to resent those that don't focus on improving their health. Throughout the events of the game Hajime tries to befriend and talk to the other participants. After being revealed to of been the killer of Yuri, Hajime's entire personality seems to shift within an instant. Between maniacal laughter and a nonchalant reaction to what was going on, Hajime initially seems to show no remorse.