Apparently it is a pseudonym used individually and collectively by various people working around the director and producer Kan Mukai on his films and at his production companies.
Yutaka Sō is best known for Blue Film Woman, Night Nurse: The Pleasure Injection, Ginkô OL: Nikutai kôza, Telephone sex: Momoiro ôshin, Office Lady at Night: Tongue Licking.
How many films and series has Yutaka Sō been in?
Yutaka Sō has 63 films and 0 series credits on record.