Yang first supported himself via various odd jobs, an experience that led to books based on the experience of taxi driving published in the 1980s and filmed as All Under the Moon (月はどっちに出ている, Tsuki wa dotchi ni dete iru Yōichi Sai).
Yang's semi-autobiographical novel, Chi to Hone (Blood and Bones), was adapted as a theatrical film, directed by Yoichi Sai, starring Takeshi Kitano as Kim Shun-Pei, Kyōka Suzuki as Kim's wife, Joe Odagiri as son-in-law and Hirofumi Arai as eldest son and narrator.
An English version of the book translated by Adhy Kim was also published in 2022.
[1] The December 2000 issue of Yurīka (ユリイカ) / Eureka is devoted to Yang.
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