Artist.

Nickname: ３８式 (サンパチしき, "Sanpachi-shiki":[https://en.wikipedia.org/wiki/Type_38_rifle]; the artist uses this spelling: "sanpatisiki")
The other name: さんぱちしき。 (Sanpachishiki.)
Circle & site name: 玉砕島 (Gyokusai-jima) (circle partner: "kyuukyuu-shiki":[http://gyokusaijima.web.fc2.com/mennba-.htm])

h4.See also

* Circle home page: http://gyokusaijima.web.fc2.com/
* Circle blog: http://gyokusaijima.blog17.fc2.com/
* Pixiv account: http://www.pixiv.net/member.php?id=166750
* Pixiv sketch account: http://sketch.pixiv.net/@sanpatisiki
* Drawr account: http://drawr.net/sanpatisiki
* Privatter account: http://privatter.net/u/sanpatisiki
* Twitter account: http://twitter.com/sanpatisiki
* Pawoo account: http://pawoo.net/@sanpatisiki
* Circle.ms: http://portal.circle.ms/Circle/Index/10128916
* Comike Web Catalog: http://webcatalog.circle.ms/Perma/Circle/10128916
* Old twitter (deleted, the current ＠38siki is another person): http://twitter.com/38siki

(The artist had a Tinami account, too.)
sanpachishiki (gyokusai-jima)