The modern visual language of Japanese femdom was given its definitive form by post-war artists, most notably . Active from the 1960s, Harukawa spent decades developing a unique fetish art characterized by voluptuous, often giant-sized women dominating tiny, ecstatically humiliated men. His work focused intensely on buttocks, which he saw as a symbol of female power and primal sensuality. He collaborated with avant-garde figures like Shūji Terayama and gained late-in-life international fame after Madonna shared his work online. His art stands as a cornerstone of contemporary Japanese femdom.