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Jump Square December 2007 Issue, cover dated November 2, 2007
|First issue||December 2007|
Jump Square (Japanese: ジャンプスクエア Hepburn: Janpu Sukuea?, written as Jump SQ but pronounced "Jump Square") is a Japanese monthly shōnen manga magazine. Published by Shueisha, the magazine premiered on November 2, 2007 as a replacement for Monthly Shōnen Jump, another manga anthology that Shueisha discontinued in June of that year. The magazine is a part of the Jump line of magazines. The manga titles serialized in the magazine are also published in tankōbon volumes under the Jump Comics label. The manga series within the magazine target young male readers and tend to be set in a fantasy setting with a large amount of action scenes. Like all monthly shonen manga magazines, Jump Square is aimed at ages 16 to 21.
Jump SQ, also called Jump Square, was created as the replacement for Shueisha's canceled Monthly Shōnen Jump manga anthology. The title has three stated meanings: public square ("a plaza where comic lovers and talented artists and writers come together"), algebraic square (Weekly Shōnen Jump²), and "SQ = Supreme Quality" (referring to its "Supreme Quality Manga Magazine" motto). Four manga serials were temporarily moved to Weekly Shōnen Jump, until Jump Square's release. These four series, Tegami Bachi, Rosario + Vampire, Claymore, and Gag Manga Biyori were among the magazine's premiere series, along with debuting series, including Embalming -The Another Tale of Frankenstein-, Kure-nai, and Dragonaut -The Resonance-.
When Jump Square was launched, the initial printing of 500,000 copies quickly sold out. Over 70% of the copies released across Japan sold within three days. Shueisha printed an additional 100,000 copies to help meet the demand, something normally not necessary with Japanese magazines. The second issue also sold well, requiring a second printing of 60,000 copies. After the first issue excitement died down, circulation leveled off in the vicinity of 370,000 copies.
Jump Square's primary content is manga serials. In addition to the manga series, some issues include serialized light novel chapters from works published by the Jump j-Books label. One-shots from established manga writers are featured in a section of the magazine called the "Supreme Yomikiri Series" (SUPREME読切シリーズ Supurīmu Yomikiri Shirīzu?), while pieces from up-and-coming writers occasionally appear in the "Explosive Yomikiri Series" (Explosive読切シリーズ Explosive Yomikiri Shirīzu?) section.
There are currently twenty-five manga titles being regularly serialized in Jump Square. Out of twenty-five series, one series is currently in hiatus.
|7th Garden (セブンスガーデン?)||Mitsu Izumi||August 2014|
|Ao no Exorcist (青の祓魔師?)||Kazue Katō||April 2009|
|Chihaya-san wa Sonomama de Ii (千早さんはそのままでいい?)||Kuzushiro||December 2014|
|Gakumon!〜Ōkami Shōjo wa Kujikenai〜 (がくモン!〜オオカミ少女はくじけない〜?)||Robinson Haruhara||April 2014|
|Gate 7 (ゲート セブン?)||Clamp||February 2011|
|Happy Milly (ハッピィミリィ?)||Mitsuru Kido||August 2015|
|Hotel Helheim (ホテル ヘルヘイム?)||Osamu Nishi||October 2014|
|Hōkago no Ōjisama (放課後の王子様?)||Takeshi Konomi, Kenichi Sakura||November 2008|
|Iiyone! Yonezawa Sensei (いいよね!米澤先生?)||Jigoku no Misawa||April 2014|
|Kono Oto Tomare! (この音とまれ!?)||Amyū||August 2012|
|Masuda Kōsuke Gekijō Gag Manga Biyori GB (増田こうすけ劇場 ギャグマンガ日和GB?)||Kōsuke Masuda||December 2014|
|Nightmare Funk (ナイトメア・ファンク?)||Yōhei Takemura||July 2014|
|Ohmori Satisfaction (大森サティスファクション?)||Kōsei Shimizu||August 2015|
|Owari no Seraph (終わりのセラフ?)||Takaya Kagami, Yamato Yamamoto, Daisuke Furuya||September 2012|
|Parman no Jōnetsuteki na Hibi (PARマンの情熱的な日々?)||Fujiko Fujio Ⓐ||November 2007|
|Salaryman Exorcist Okumura Yukio no Aishū (サラリーマン祓魔師 奥村雪男の哀愁?)||Kazue Katō, Minoru Sasaki||April 2015|
|Serapuchi!〜Owari no Seraph 4-koma-hen〜 (せらぷち!〜終わりのセラフ４コマ編〜?)||Takaya Kagami, Yamato Yamamoto, Daisuke Furuya, Ren Aokita, Owari no Seraph Production Committee||April 2015|
|Shin Tennis no Ōjisama (新テニスの王子様?)||Takeshi Konomi||March 2009|
|Sōsei no Onmyōji (双星の陰陽師?)||Yoshiaki Sukeno||November 2013|
|Taishau Wotome Otogibanashi (大正処女御伽話?)||Sana Kirioka||July 2015|
|Tegami Bachi (テガミバチ?)||Hiroyuki Asada||November 2007|
|Teiichi no Kuni (帝一の國?)||Usamaru Furuya||February 2012|
|To Love-Ru Darkness (To LOVEる -とらぶる- ダークネス?)||Kentarō Yabuki, Saki Hasemi||October 2010|
|Wonder Rabbit Girl (ワンダーラビットガール?)||Yui Hirose||May 2015|
|μ＆i Mu and I (μ＆i みゅうあんどあい?)||Ryōma Kitada||May 2014|
Jump SQ. II (Second)
Jump SQ II (Second) (ジャンプSQ.II Janpu Sukuea Sekando?) short for Jump Square Second (ジャンプスクエアセカンド?), is a spin-off issue of Jump SQ of which three volumes have currently been published, beginning on April 18, 2008.
The first issue featured a then-one-shot collaboration between the world-famous American comic writer Stan Lee and Shaman King's Hiroyuki Takei, called Karakuridôji Ultimo (using the Marvel Method). 
A contest organized by Shonen Jump (a monthly English version of Weekly Shōnen Jump) and Jump SQ., offered a Jump SQ II (Second) issue autographed by Lee and Takei to the random winner at the 2008 New York Comic Con. Three regulars: Sekai no Chūshin de Taiyō ni Hoeru, Tsumikabatsu, and Mahō no Ryōri Chaos Kitchen; were put in the SQ II magazine as their own SQ II exclusive one-shot, along with other one-shots like Missing Battery, Cross, or Alone Again.
The success of Ultimo led to the extra mini book named The Man Who Created "Spider-Man" and the "X-Men" - Stan Lee the book! (｢スパイダーマン｣｢X-MEN｣を作った男 スタン·リー the Book! "Supaidāman", "Ekkusumen" o Tsukutta Otoko - Stan Lee the Book!?) which is completely based on Lee's American comics, mostly Amazing Fantasy (first Spider-Man, Iron Man, and The Hulk.
Jump SQ.19 (ジャンプSQ.19 Janpu Esu Kyū Ichi Kyū?) is a spin-off issue of Jump SQ, first published on May 19, 2010. It includes one shots and Jump SQ series' side stories, and a series that only serializes in Jump SQ.19. Initially, it was scheduled to release quarterly on the 19th of every February, May, August, and November.
On February 18, 2012, Jump SQ.19 announced a magazine changed to a bimonthly release. It was then published on the 19th of every even-numbered month until its publication ceased on February 19, 2015.
Jump SQ.Crown (ジャンプSQ.CROWN Janpu Esu Kyū Kulaun?) is an upcoming spin-off issue of Jump SQ which will start publishing on July 17, 2015. It follows similar structure as Jump SQ.19, like: the series which only serializes in Jump SQ.Crown; the one shots by newbies and experiences authors; and the side stories from Jump SQ. series. It is scheduled to release quarterly.
There are currently two manga titles being regularly serialized in Jump SQ.Crown.
|Kekkai Sensen Back 2 Back (血界戦線 Back 2 Back?)||Yasuhiro Nightow||July 2015|
|D.Gray-man (ディー・グレイマン?)||Katsura Hoshino||July 2015|
Jump SQ.Lab (ジャンプSQ.LaB Janpu Sukuea Labo?) is a spin-off issue of Jump SQ, first published on July 15, 2011. Jump SQ.Lab follows same format as Jump Next; it includes the one shots by both the experienced and the newcomer manga creators, and the side stories for both Jump SQ and Jump SQ.19 series.
- "Boy's Manga" (in Japanese). Japanese Magazine Publishers Association. September 2013. Retrieved December 11, 2013.
- "Jump Square to Replace Monthly Shōnen Jump in November". Anime News Network. 2007-07-05. Retrieved 2008-06-11.
- "What's Jump SQ.?". Shueisha. Retrieved 2010-02-15.
- "500,000-Copy Jump Square Debut Gets 2nd Run of 100,000". Anime News Network. 2007-11-08. Retrieved 2008-06-11.
- "News of Jump Square Reprint". Jump Square website (in Japanese). Shueisha. Archived from the original on 2008-05-03. Retrieved 2008-06-11.
- Jump SQ II (Second)
- Marvel's Stan Lee, Shaman King's Takei to Join Forces (Updated) - Anime News Network
- Stan Lee and Shaman King Teams Up in Jump Square II | ComiPress
- VIZ Media . news . press room
- VIZ Media . news . press room
- セブンアンドワイ - 雑誌 - JUMP SQUARE増刊 2008年6月号
- Official Jump Square website (Japanese)
- Shūeisha S-Manga.Net Jump Square website (Japanese)
- Jump Square at Anime News Network's encyclopedia