978-4-09-188481-7
| Natsu no Kumo | ||
 Cover of the first volume | ||
| ナツノクモ Spinning Web | ||
|---|---|---|
| 2 | July 30, 2004 [6] | 978-4-09-188482-4 |
| 3 | February 4, 2005 [7] | 978-4-09-188483-1 |
| 4 | May 30, 2005 [8] | 978-4-09-188484-8 |
| 5 | November 30, 2005 [9] | 978-4-09-188485-5 |
| 6 | May 30, 2006 [10] | 978-4-09-188320-9 |
| 7 | October 30, 2006 [11] | 978-4-09-188337-7 |
| 8 | January 30, 2008 [4] | 978-4-09-188397-1 |
G Senjō Heaven's Door is a Japanese manga series written and illustrated by Yoko Nihonbashi. It was serialized in Shogakukan's seinen manga magazine Monthly Ikki from November 2000 to June 2003, with its chapters published in three tankōbon volumes. It is about two boys, Machizo and Tetsuo, who work together to create manga.
Monthly Ikki was a monthly seinen manga magazine published by Shogakukan. It tended to specialize in underground or alternative manga, but it had its share of major hits as well. The magazine started in 2000 as a spin-off to Shogakukan's Weekly Big Comic Spirits, titled Spirits Zōkan Ikki, published on a bimonthly basis, and became a standalone monthly magazine in 2003. In 2009, Viz Media launched an online English version of Monthly Ikki, named SigIkki, which serialized selected titles from the magazine. Ikki ceased publication after an almost 14-year-run in 2014, and was replaced by Hibana, which ran from 2015 to 2017, before ceasing its publication as well.
Tetsuko no Tabi is a Japanese nonfiction manga series authored by Hirohiko Yokomi and illustrated by Naoe Kikuchi. The manga was serialized in Shogakukan's seinen manga magazine Monthly Ikki between 2001 and 2006. A 13-episode anime television series adaptation by Group TAC was broadcast in 2007.
Humanity Has Declined, or Jintai (人退) for short, is a Japanese light novel series written by Romeo Tanaka. The novels originally featured illustrations by Tōru Yamasaki for the first six volumes, but Yamasaki was replaced by Sunaho Tobe in 2011. Shogakukan published 11 volumes from May 2007 to September 2016. Three manga adaptations have been produced. An anime adaptation produced by AIC A.S.T.A., directed by Seiji Kishi, and written by Makoto Uezu aired in Japan between July and September 2012. Sentai Filmworks has licensed the anime in North America.
I'll Give It My All... Tomorrow is a Japanese manga series written and illustrated by Shunju Aono. It was serialized in Shogakukan's seinen manga magazine Monthly Ikki from January 2007 to June 2012, with its chapters collected in five tankōbon volumes. It was adapted into a live-action film released in June 2013. In North America, the manga was licensed for English release by Viz Media.
Sukimasuki is a Japanese coming-of-age manga series written and illustrated by Yumi Unita. It was serialized in Shogakukan's seinen manga magazine Monthly Ikki from November 2001 to April 2003, and its ten chapters were published in a single tankōbon volume in July 2003. It was adapted into a live action film that premiered in February 2015.
Futagashira is a Japanese slice of life historical seinen manga series written and illustrated by Natsume Ono. It was published in Shogakukan's Monthly Ikki from May 2011 to September 2014, when the magazine ceased publication. It was then serialization in Hibana from March 2015 to September 2016. Its chapters were published by Shogakukan in seven tankōbon volumes.
Levius is a Japanese manga series written and illustrated by Haruhisa Nakata. The series was published in Shogakukan's Monthly Ikki from December 2012 to September 2014, when the magazine ceased publication. Shogakukan compiled its chapters into three tankōbon volumes. A sequel, titled Levius/est, was serialized in Shueisha's Ultra Jump from April 2015 to June 2021. The manga and its sequel are licensed in North America by Viz Media. A 12-episode original net animation (ONA) adaptation produced by Polygon Pictures premiered on Netflix in November 2019.
Yomawari Sensei is a Japanese autobiographical manga series written by Osamu Mizutani and illustrated by Seiki Tsuchida. It was serialized in Shogakukan's seinen manga magazine Monthly Ikki from February 2005 to May 2009. The manga is based on Mizutani's autobiographical book of the same title published in 2004.
Wombs is a Japanese manga series written and illustrated by Yumiko Shirai. It was serialized in Shogakukan's Monthly Ikki from April 2009 to October 2010, and later directly published via tankōbon volumes, with the fifth and last one released in January 2016.
Noramimi (のらみみ) is a Japanese manga series written and illustrated by Kazuo Hara. It was serialized in Shogakukan's seinen manga magazine Monthly Ikki from December 2002 to August 2009, with its chapters collected in eight tankōbon volumes. A 24-episode anime television series produced by TMS Entertainment aired for two seasons from January to December 2008.
Heibon Punch is a Japanese manga series written and illustrated by George Asakura. It was serialized in Shogakukan's Monthly Ikki from 2003 to 2006, with its chapters collected in four tankōbon volumes. It was adapted into a live-action film, directed by Sakichi Sato, that premiered in Japan in November 2008
Witches is a Japanese manga series written and illustrated by Daisuke Igarashi. It was serialized in Shogakukan's Monthly Ikki from April 2003 to November 2004, with its chapters collected in two tankōbon volumes. The series is licensed for English release in North America by Seven Seas Entertainment. Witches received an Excellence Award at the eighth Japan Media Arts Festival in 2004.
Tsukidate no Satsujin is a Japanese manga series written by Yukito Ayatsuji and illustrated by Noriko Sasaki. It was serialized in Shogakukan's Monthly Ikki from December 2004 to April 2006, with its chapters collected in two wide-ban volumes.
Kajiba no Baka IQ is a Japanese anthology manga series written and illustrated by Shunji Enomoto. It was serialized in Shogakukan's seinen manga magazine Monthly Ikki from January 2013 to September 2014, when the magazine ceased its publication, and continued its publication directly in tankōbon format. Shogakukan released three volumes.
Sex Nanka Kyōminai is a Japanese anthology manga series written by Nanki Satō and illustrated by Akira Kiduki. It was serialized in Shogakukan's seinen manga magazine Monthly Ikki from March 2009 to April 2012, with its chapters collected in four tankōbon volumes.
Watashi no Uchū is a Japanese manga series written and illustrated by Ayako Noda. It was serialized in Shogakukan's seinen manga magazine Monthly Ikki from October 2012 to March 2014, with its chapters collected in two tankōbon volumes.
Babel is a Japanese manga series written and illustrated by Narumi Shigematsu. Babel was first published as a tankōbon volume by Shogakukan in April 2012 and was later serialized in the publisher's seinen manga magazine Monthly Ikki from May 2012 to September 2014, when the magazine ceased its publication, and the series continued and finished with its fifth volume.
Lotta Rain is a Japanese manga series written and illustrated by Tsuyoshi Matsumoto. It was serialized in Shogakukan's seinen manga magazine Monthly Ikki from April to September 2014, when the magazine ceased its publication, and the series was transferred to Hibana, where it ran from March 2015 to June 2017.
Period is a Japanese manga series written and illustrated by Sakumi Yoshino. It was serialized in Shogakukan's seinen manga magazine Monthly Ikki from June 2003 to September 2014, with its chapters collected in five wideban volumes. Period is Yoshino's last manga series, who died in April 2016.