Sigma

Sigma is a member of the shadowy secret organization known as 'Gosha no Tenni,' simultaneously holding the position of general manager at the Sky Casino. Brought into existence by 'the Book,' he carries no memories of any past, which has led him to regard the casino as his one and only home and place of belonging. Despite his ties to a terrorist organization, he views himself as nothing more than an ordinary person of modest ability, yet he demonstrates an unyielding will to survive in order to protect the only place he can call his own.