Looks can be deceiving. Kohey Nishi loves performing and directing in his own adult movies! He turned a childhood illness into an adult. KoHey Nishi is on Facebook. Join Facebook to connect with KoHey Nishi and others you may know. Facebook gives people the power to share and makes the. Kohey Nishi, of Japan, has an incurable disease called mucopolysaccharidosis and earns a living by having sex with women who look old.