Hisashi Imakurusu

This physician fought to halt the widespread use of the Murai vaccine, as he was personally battling the cyberbrain disease himself and was sustained by it. His lifelong quest to cure cyberbrain sclerosis was derailed when the Laughing Man took control of the vaccine's success. Despite his private reservations, the pursuit of greed and envy led the Laughing Man to suppress the vaccine, a decision solidified by a unique 'approval denied' mark.