Ichijinsha

Ichijinsha Inc. (Japanese: 株式会社一迅社, Hepburn: Kabushiki-gaisha Ichijinsha) is a Japanese publishing company focused on manga-related publication, including magazines and books.

Ichijinsha Inc.

Logo used since 2024
Headquarters in Shinjuku, Tokyo
Native name	株式会社一迅社
Romanized name	Kabushiki-gaisha Ichijinsha
Formerly	Studio DNA Co., Ltd. (1992-2001)
Company type	Subsidiary (Kabushiki gaisha)
Industry	Books, magazines, manga
Founded	August 1992; 33 years ago (1992-08)
Founder	Osamu Harada
Headquarters	Shinjuku, Shinjuku, Tokyo , Japan
Key people	Masahiro Nouchi (president)
Revenue	¥10 million[1]
Parent	Kodansha
Website	www.ichijinsha.co.jp

The company was first established in August 1992 as a limited company under the name Studio DNA whose main purpose was to edit shōnen manga. In January 1998, Studio DNA became a public company and moved from merely editing to now being a publishing company. In December 2001, a publishing company was formed named Issaisha which started the shōjo manga magazine Monthly Comic Zero Sum. In March 2005, Studio DNA and Issaisha merged into the current Ichijinsha company.^[1] In October 2016, Ichijinsha was acquired by Kodansha and became its wholly owned subsidiary.^[2]

Magazines published

• Febri (formerly Chara☆Mel)
• Comic Rex
• Monthly Comic Zero Sum
• Comic Yuri Hime
• gateau
• THE IDOLM@STER MILLION LIVE! MAGAZINE Plus+, renewal of THE IDOLM@STER MILLION LIVE! MAGAZINE

Defunct magazines

• Comic Yuri Hime S
• Waai!
• Waai! Mahalo
• Comic Zeru-Sum Zoukan WARD
• Manga Palette Lite
• Niconico Yuri Hime (web magazine, jointly with NicoNico Douga)
• Manga 4-Koma Palette^[3]
  • The four-panel comic strip magazine Manga 4-Koma Palette (まんが4コマぱれっと, Manga Yonkoma Paretto) started as a special edition of Comic Rex.

Web magazines

• Zero Sum Online
• comic POOL (jointly with Pixiv)
• Yurihime@Pixiv
• LOVEBITES (jointly with Seymour)
• Manga 4-koma Palette Online