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== Summary ==
[[Seiu Ito]] was a major figure in the SM world in Japan during the Showa era (
1925-1989) and his influence continues to the present day . Born in 1882, he was strongly attracted to scenes of torture in stories and theater plays from an early age, and he produced a large body of art (paintings and drawings) and photographs depicting scenes of torture and kinbaku, often using his wife or mistress as his model.
He began as a newspaper illustrator at the end of the Meiji era and later became a theater critic. He then became the head of the Performing Arts section as well as the main illustrator for <i>Yomiuri</i>
News. At the beginning of the Taisho period (1912-1926), he met [[Kaneyo Sasaki]] (Oyou) and [[Kise Sahara]], two women who had an appreciation of kinbaku. He deepened his study of torture art and photography, and in the closing years of the Taisho (around 1926), he rode the wave of the <i>eroguro</i> movement and attracted attention as a “painter of perversion”. In 1928, he published the first photo book of kinbaku (<i>Seme no Kenkyu – Research on Torture</i>), which was soon after banned by the authorities.
Before World War II, he published a large number of collections of graphic works through editor Suikodo Shoten. But this period, with Ito at the height of his career, was interrupted by the war. After the war, he became active as a writer in magazines such as [[Ningen Tankyu]], [[Kitan Club]] and [[Fuzoku Soushi]]. In addition, he organized frequent photo sessions and the resulting photos can be seen as “photos in the Seiyu way” in magazines such as [[Fuzoku Soushi]], [[Fuzoku Kitan]] and [[Uramado]]. During the Taisho period he established theater groups whose plays centered on torture scenes and, in 1953, he started the Seme no Gekidan (Torture Theater Group) which performed at Ichikawa Suzumoto theater in Tokyo and others.