Painter/illustrator, rope artist, writer and editor. Suma did editorial work
in early SM magazines like ''[[Kitan Club]]'', ''[[Uramado]]'', ''[[SM Collector]]'', ''[[Abu Hunter]]'' and ''[[SM Kitan]]''. He played an important role in the formation of post-war SM culture and left behind a large body of work as a writer and rope artist.
[http://smpedia.com/index.php?title=須磨利之 須磨利之](Japanese), [[Reiko Kita]], [[Kou Minomura]], Eijiro Takenaka<ref group="note">Painted in the style of Eitaro Takenaka. Years later, Suma was visited by Eitaro Takenaka's son, the critic Tsutomu Takenaka.</ref>, etc..
''Since it is believed that Suma's autobiographies include
a few invented anecdotes, the biographical data below could contain inaccuracies. Therefore, the following biography may be corrected in the future.''
, Suma was born in Kyoto to a family who ran a printing business out of their home<ref group="note">After his father's death, Suma's uncle, Kanbee Suma, became the head of the family.</ref><ref name="star">Minomura, Kou "A Great Star Has Fallen." ''SM Collector'' Nov. 1980: 96-111. Print.</ref>.
, Suma left the Kyoto School of Fine Arts at mid term and became the live-in apprentice to the Japanese painter Baisen Kobayashi<ref group="note"> In a place called the Saganosho Babachou Tenryuji in the Ukyo ward of Kyoto. </ref><ref name="star"></ref><ref name="akita"></ref>.
, 1944, Suma's ship, the ''Hokuriku Maru'', sank in the Bashi Channel<ref group="note">Suma's account could be nothing but a fictional story, but a merchant transport ship called the Hokuriku Maru actually existed. The Hokuriku Maru was commissioned by the Navy in 1941 and served in the sea battles of Guadalcanal, Midway and the attack on Menado in 1942. In 1944, the Hokuriku Maru left Singapore loaded with 6700 tons bauxite, 600 tons of oil, 256 soldiers and headed toward Moji. On March 18th at 1:14 a.m., while in the China Sea roughly 300km southeast of Hong Kong, an ammunition explosion in the second hold caused the first hold to explode, which ignited and detonated the oil tanks in the third hold, reaching the engine room. Everything was lost in five minutes. 8 soldiers, 25 guards and 55 sailors perished.</ref>.
, summer , Kiyoshi Sugiyama, who worked at the Central Kyoto News, took Suma to the editorial office of [[Kitan Club]] (Akebono Shobo), which gave Suma a chance to begin drawing illustrations for [[Kitan Club]]<ref group="note">There's a conflict in stories between whether [[Kitan Club]] was founded in 1946 or in October of 1947. A visit will be made this summer to try to confirm the latter.</ref>. There were other irregularly published pulp magazines besides [[Kitan Club]], and Suma drew illustrations for ''Jouen Shin-syu'' and others as well.<ref group="note">[[Shizuo Yagi]], who used the alias [[Mineko Tsuzuki]], took over as editor of ''Glamorous New Collection''.</ref><ref name="akita"></ref>.
, The name Reiko Kita began to appear on Suma' s work[ Citation needed].
, Toshiyuki Suma fully participated in [[Kitan Club]] [Citation needed].
, [[Kitan Club]] changed from a size of A5 to B5 and promoted its "abnormal" content.
, Suma resigned from [[Kitan Club]] and published the private fanzine called ''Tanoshimi Soushi''<ref name="akita"></ref><ref group="note">Tanoshimi Soushi earned about twenty fans and printed some 20-50 copies. The magazine continued for eight issues.</ref>. Reiko Kita's art appears in the December issue of ''[[Fuzoku Soushi]]''.
, Suma travels to Tokyo in the autumn of 1954<ref name="kitahara"> Dohmu Kitahara , Tokyo Fetish Club (San'ichi Shobo, 1996 )</ref><ref group="note">[[Seiu Ito]] and Torirou Miki are considered to have encouraged Suma to go to Tokyo.</ref>. He meets [[Seiu Ito]] in person for the first time <ref name="akita"></ref><ref group="note">[[Seiu Ito]] and Reiko Kita had exchanged written correspondence for a number of years before this. At first, Itou believed that Reiko Kita was actually a female artist. Moreover, it's said that until the end of his life, Itou pretended that Suma was Reiko Kita's husband.</ref><ref name="star"></ref><ref name="akita"></ref>.
, With the cancellation of [[Fuzoku Soushi]], Suma begins working for ''[[Amatoria]]'' magazine (published by [[Kubo Shoten]]), and he launches ''[[Kappa]]'' the predecessor of [[Uramado]].<ref name="akita"></ref><ref group="note">The magazine changed its name due to a complaint from Koubunsha, which published Kappa Books.</ref>.
, Suma founded [[Uramado]] magazine, published through [[Kubo Shoten]]<ref name="eshi">Nureki, Chimuo. The Artists of Kitan Club. Tokyo: Kawade Shobo Shinsha, 2004. Print.</ref>.
, Suma intesified his association with [[Oniroku Dan]] around this time[Citation needed].
nom de plume of "Minomura Kou" was taken from the Malaysian expression, "A little rest."<ref name="eshi"></ref>.
* It seems that Suma was commissioned by Edogawa Ranpo to paint a boy's picture<ref name="kitahara"></ref>.
* There is a tape recording of war anecdotes<ref group="note">"At the time he was a prisoner of war, a bunch of enemy army nurses came along and performed "ejaculation derby" with the japanese military prisoners, and at the end strong-chinned 'Utamaro'." However, Suma's account needs verification.</ref> exchanged between Terayama Shuuji and Suma Toshiyuki<ref name="kitahara"></ref>.
* Suma Toshiyuki was a boxing fan. One day, Suma took [[Chimuo Nureki]] to a bar called
“Tako Beya " (Tako Room, which means cramped quarter) and told him, "This is a bar run by Kappa Seisaku ([[Hachiro Tako]]), a former domestic boxing champion."<ref name="chat"> Chimuo Nureki, "Nureki Chimuo's Chat Theater #97 ," 2009 , 19 Oct 2009</ref>
* A Great Star Has Fallen (SM Collector,
November 1980. Memorial dedication to [[Seiu Ito]])*
Spring Rope Series<ref group="note">The title varied with each issue, such as "Erotic Rope Abnormal Play," "Erotic Rope's Preferred Setting," etc..</ref> (Monthly serial in SM Collector, October 1978 to July 1979)* My Rope's Personal History (Monthly serial in SM Collector, June 1981, to December 1981)
* Kou Minomura's Obscene Record
* Pacific War SM Ballad
* Biographies of a Bound Prostitute (Reprint<ref group="note">The original is in Byakuya Shobo's
"Spark. "</ref>) (Monthly serial in S&M Sniper, May 1993 to January 1995)*
Rope Companion Record (Serialized in Kinbiken News, April 1990, to May 1990. March 1991, to June 1991)