Kaoru Yamatani (山谷 馨, born 1934), better known by his pen name Sō Kuramoto (倉本 聰), is a Japanese playwright and screenwriter.
He attended Azabu High School and studied aesthetics at Tokyo University.
[1] While an employee there, he also began submitting scripts for NBS radio programs under the pen name Sō Kuramoto, keeping his identity a secret from his employers.
[1] He had troubles around NHK's teleplay Katsu Kaishū and moved to Hokkaido.
[3] Hirokazu Kore-eda stated that in 1970s Japan, the top three TV scriptwriters were Kuniko Mukōda, Taichi Yamada, and Kuramoto.