Monthly Shōnen Sunday
Japanese manga magazine

Monthly Shōnen Sunday (Japanese: 月刊少年サンデー, Hepburn: Gekkan Shōnen Sandē), alternately known as Gessan (ゲッサン) (a portmanteau of "Gekkan" and "Sandē" from its full Japanese title), is a monthly shōnen manga magazine published in Japan by Shogakukan since May 12, 2009 (the June 2009 issue). The magazine was announced in February 2009, with Hayashi Masato, at that time editor of Weekly Shōnen Sunday, editing the monthly magazine as well. Manga artists who debuted new series or stories in the magazine include Yellow Tanabe, Mitsuru Adachi, and Kiyohiko Azuma.
Series
There are 21 manga series being serialized in Monthly Shōnen Sunday.
Finished series
2009
Azumanga Daioh: Supplementary Lessons (あずまんが大王・補習編, Azumanga Daiō Hoshūhen) by Kiyohiko Azuma (June–August 2009)
Daisan Sekai no Nagai (第三世界の長井) by Ken Nagai (June 2009 – January 2019)
Gakushin Ō: Vero Musica (楽神王 〜vero musica〜) by Masanori Yoshida (June 2009 – December 2010)
Kenryoku no Inu Police Wan! (権力の犬、ポリスワン!) by Pero Sugimoto (June 2009 – April 2010)
Lindbergh (リンドバーグ, Rindobāgu) by Ahndongshik (June 2009 – May 2013)
Makoto no Ōja: Real Deal Champion (マコトの王者 〜REAL DEAL CHAMPION〜) by Ashibi Fukui (June 2009 – November 2011)
Manekoi (まねこい) by Taishi Mori (June 2009 – March 2012)
Nobunaga Concerto (信長協奏曲, Nobunaga Kontseruto) by Ayumi Ishii (June 2009 – October 2026)
Q and A (QあんどA, Kyū ando Ē) by Mitsuru Adachi (June 2009 – April 2012)
Shinobi no Kuni (忍びの国) by Ryō Wada (story) and Mutsumi Banno (art) (June 2009 – March 2011)
The!! Beach Stars (ザ!! ビーチスターズ) by Masahiro Morio (June 2009 – May 2010) (moved from Weekly Young Sunday)
Tsuki no Hebi: Suikoden Ibun (月の蛇 〜水滸伝異聞〜) by Hiroo Nakamichi (June 2009 – February 2012)
Welcome to the El-Palacio (ここが噂のエル・パラシオ, Koko ga Uwasa no Eru-Parashio) by Takao Aoyagi (June 2009 – September 2013)
Yoshitō-sama! (よしとおさま!) by Haruka Shii (June 2009 – August 2015)
Yvonne to Asobou! (イボンヌと遊ぼう!, Ibon'nu to Asobou!) by Tomoyuki Arai (June 2009 – November 2011)
Hallelujah Overdrive!
Begin with the source’s own compact description: “Monthly Shōnen Sunday” is japanese manga magazine. The dossier treats that line as a proposition to test through Monthly, Shōnen and Sunday, not as a finished interpretation.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Sep 14, 2026. The linked authority identifier is Q130710. 2 of 2 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 2009, 2019, 2010 and 2013.
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This entry incorporates text from “Monthly Shōnen Sunday” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.