Manga/Serialization

This page lists Sekai-ichi Hatsukoi manga chapters by serialization. It includes some of the prose chapters released as well. 
== Chapter list ==
Chapter title 	Issued in 	Date released	Notes
The Case of Ritsu Onodera No.1 	The Ruby, #1 	Oct 13, 2006 	Cover art.
The Case of Chiaki Yoshino No.1 	The Ruby, #1 	Oct 13, 2006 	Cover art.
The Case of Ritsu Onodera No.2 	The Ruby, #2 	Jun 13, 2007 	Cover art.
The Case of Chiaki Yoshino No. 2 	The Ruby, #2 	Jun 13, 2007 	Cover art.
The Case of Ritsu Onodera No.2.5 	Volume 1 	Jul 1, 2008 	Release issue stated in volume 1 copyright page, Japanese edition.
The Case of Ritsu Onodera No.3 	The Ruby, #3 	Nov 13, 2007 	Release issue stated in volume 2 copyright page, Japanese edition. Cover art.
The Case of Chiaki Yoshino No. 3 	The Ruby, #3 	Nov 13, 2007 	Release issue stated in volume 2 copyright page, Japanese edition. Cover art.
The Case of Ritsu Onodera No.4 	The Ruby, #4 	Jun 13, 2008 	Cover art.
The Case of Chiaki Yoshino No. 4 	The Ruby, #4 	Jun 13, 2008 	Cover art.
The Case of Ritsu Onodera No.4.5 	Volume 2 	Aug 1, 2009 	
The Case of Ritsu Onodera No.5 	The Ruby, #5 	Nov 13, 2008 	Release issue stated in volume 3 copyright page, Japanese edition. Cover art. Final issue of The Ruby magazine.
The Case of Chiaki Yoshino No.5 	The Ruby, #5 	Nov 13, 2008 	Release issue stated in volume 3 copyright page, Japanese edition. Cover art. Final issue of The Ruby magazine.
 	 	 	
The Case of Shouta Kisa No.1 	Asuka Ciel, Mar 2009	Jan 30, 2009 	First chapter in Ciel. Cover art, included Short Drama 1 as added bonus.
The Case of Shouta Kisa No.2 	Asuka Ciel, May 2009	Mar 30, 2009 	
The Case of Ritsu Onodera No.6 	Asuka Ciel, Sep 2009	Jul 30, 2009 	
The Case of Ritsu Onodera No.7 	Asuka Ciel, Jan 2010	Nov 30, 2009 	
The Case of Ritsu Onodera No.8 	Asuka Ciel, Mar 2010	Jan 30, 2010 	Cover art.
The Case of Shouta Kisa No.3 	Asuka Ciel, May 2010	Mar 30, 2010 	
The Case of Ritsu Onodera No.7.5 	Volume 4 	Jul 1, 2010 	Release issue stated in volume 4 copyright page, Japanese edition.
The Case of Shouta Kisa No.4 	Asuka Ciel, Jul 2010	May 29, 2010 	
The Case of Ritsu Onodera No.9 	Asuka Ciel, Sep 2010	Jul 30, 2010 	
The Case of Shouta Kisa No.4.5 	Volume 5 	Mar 22, 2011 	Release issue stated in volume 5 copyright page, Japanese edition.
The Case of Ritsu Onodera No.10 	Asuka Ciel, Nov 2010	Sep 30, 2010 	
The Case of Masamune Takano No.1 (2011) 	Asuka Ciel, Mar 2011	Jan 29, 2011 	
The Case of Ritsu Onodera No.11 	Asuka Ciel, May 2011	Mar 30, 2011 	Cover art.
The Case of Masamune Takano No.1.5 (2011)	Volume 6 	Oct 1, 2011 	Release issue stated in volume 6 copyright page, Japanese edition.
The Case of Ritsu Onodera No.12 	Asuka Ciel, Nov 2011	Sep 30, 2011 	Cover art.
The Case of Kou Yukina No.1 	Asuka Ciel, Jan 2012	Nov 30, 2011 	
The Case of Ritsu Onodera No.13 	Asuka Ciel, May 2012	Mar 30, 2012 	Color page.
The Case of Ritsu Onodera No.13.5 	Volume 7 	Jul 30, 2012 	Release issue stated in volume 7 copyright page, Japanese edition.
The Case of Ritsu Onodera No.14 	Asuka Ciel, Jul 2012	May 30, 2012 	
The Case of Shouta Kisa No.5 	Asuka Ciel, Sep 2012	Jul 30, 2012 	
The Case of Ritsu Onodera No.15 	Asuka Ciel, Jan 2013	Nov 30, 2012 	Contents on Amazon indicate chapter for Ritsu and cover art. Cover art.
The Case of Shouta Kisa No.5.5 	Volume 8 	Jul 31, 2013 	
The Case of Ritsu Onodera No.16 	Asuka Ciel, May 2013	Mar 30, 2013 	
The Case of Kou Yukina No.2 	Asuka Ciel, Sep 2013	Jul 30, 2013 	
The Case of Ritsu Onodera No.17 	Asuka Ciel, Jan 2014	Nov 30, 2013 	
The Case of Shouta Kisa No.6 	Volume 9 	Aug 29, 2014 	Release issue stated in volume 9 copyright page, Japanese edition.
The Case of Ritsu Onodera No.18 	Asuka Ciel, May 2014	Mar 28, 2014 	Final chapter in Asuka Ciel.
 	 	 	
The Case of Ritsu Onodera No.19 	Emerald, 2014 Summer	Aug 30, 2014 	First chapter in Emerald. Cover art. Included the first PV of the OVA adaption of Shungiku Nakamura's series: Hybrid Child. Voiced by Yuki Ono, the voice actor of Kuroda.
The Case of Takafumi Yokozawa 	Emerald, 2014 Summer	Aug 30, 2014 	First chapter in Emerald. Cover art. Included the first PV of the OVA adaption of Shungiku Nakamura's series: Hybrid Child. Voiced by Yuki Ono, the voice actor of Kuroda.
The Case of Ritsu Onodera No.20 	Emerald, 2014 Winter	Dec 26, 2014 	Emerald 2014 Winter contents on Amazon indicates a chapter for Ritsu Onodera and a chapter for Takafumi Yokozawa. Color page. Included the second PV of the OVA adaption of Shungiku Nakamura's series: Hybrid Child. Voiced by Yoshitsugu Matsuoka, the voice actor of Tsukishima.
The Case of Takafumi Yokozawa 	Emerald, 2014 Winter	Dec 26, 2014 	Emerald 2014 Winter contents on Amazon indicates a chapter for Ritsu Onodera and a chapter for Takafumi Yokozawa. Color page. Included the second PV of the OVA adaption of Shungiku Nakamura's series: Hybrid Child. Voiced by Yoshitsugu Matsuoka, the voice actor of Tsukishima.
The Case of Shouta Kisa No.7 	Emerald, 2015 Spring	Apr 30, 2015 	Emerald 2015 Spring contents: on Amazon. Indicates one chapter for Shouta Kisa. Color page. Included a DVD with a PV for Junjou Romantica 3, previewing the TV anime that would go on to air in July 2015.
The Case of Shouta Kisa No.7.5 	Volume 10 	Aug 28, 2015 	Release issue stated in volume 10 copyright page, Japanese edition.
The Case of Ritsu Onodera No.21 	Emerald, 2015 Summer	Aug 29, 2015 	Emerald 2015 Summer contents page indicates a chapter for Ritsu Onodera. Also indicates a color page. See contents list on Amazon. Color page. Included a Drama CD of Junjou Parallel ~Little Red Riding Hood~, adapting a portion of Junai Romantica Volume 8.
Cast: Takahiro Sakurai, Hikaru Hanada, Kishou Taniyama, Noriko Namiki
The Case of Ritsu Onodera No.22 	Emerald, 2015 Winter	Dec 28, 2015 	Emerald 2015 Winter contents indicated on Amazon and on Mercari sale. One chapter indicated for Ritsu Onodera. Included booklet comprised of all ending cards from the Junjou Romantica 3 anime.
The Case of Ritsu Onodera No.22.5 	Volume 11 	Jul 1, 2016 	
The Case of Kou Yukina No.3 	Emerald, 2016 Spring	Apr 28, 2016 	Emerald 2016 Spring contents page indicates a chapter for Ritsu and a chapter for Chiaki. Contents also listed on a mercari sale. Included a Radio CD of Miyuki Abe's series: Super Lovers.
Cast: Junko Minagawa, Tomoaki Maeno, Yoshitsugu Matsuoka, Takuma Terashima
The Case of Yoshiyuki Hatori 	Emerald, 2016 Spring	Apr 28, 2016 	Emerald 2016 Spring contents page indicates a chapter for Ritsu and a chapter for Chiaki. Contents also listed on a mercari sale. Included a Radio CD of Miyuki Abe's series: Super Lovers.
Cast: Junko Minagawa, Tomoaki Maeno, Yoshitsugu Matsuoka, Takuma Terashima
The Case of Ritsu Onodera No.23 	Emerald, 2016 Summer	Aug 30, 2016 	Emerald Summer 2016 contents page indicates a chapter for Ritsu and a chapter for Chiaki. Included a Radio CD of Miyuki Abe's series: Super Lovers.
Cast: Junko Minagawa, Tomoaki Maeno, Yoshitsugu Matsuoka, Takuma Terashima
The Case of Chiaki Yoshino 	Emerald, 2016 Summer	Aug 30, 2016 	Emerald Summer 2016 contents page indicates a chapter for Ritsu and a chapter for Chiaki. Included a Radio CD of Miyuki Abe's series: Super Lovers.
Cast: Junko Minagawa, Tomoaki Maeno, Yoshitsugu Matsuoka, Takuma Terashima
The Case of Ritsu Onodera No.24 	Emerald, 2016 Winter	Dec 28, 2016 	Two full length chapters in one magazine release. Included a Radio CD of Miyuki Abe's series: Super Lovers.
Cast: Junko Minagawa, Tomoaki Maeno, Jun Fukushima, Ryotaro Okiayu
The Case of Ritsu Onodera No.25 	Emerald, 2016 Winter	Dec 28, 2016 	Two full length chapters in one magazine release. Included a Radio CD of Miyuki Abe's series: Super Lovers.
Cast: Junko Minagawa, Tomoaki Maeno, Jun Fukushima, Ryotaro Okiayu
The Case of Ritsu Onodera No.24.5 	Volume 12 	Jun 30, 2017 	Release issue stated in volume 12 copyright page, Japanese edition.
The Case of Ritsu Onodera No.26 	Emerald, 2017 Spring	Apr 27, 2017 	Emerald 2017 Spring contents page indicates a chapter for Ritsu and a chapter for Hatori. Contents also listed on a mercari sale. Included a Drama CD of Kyoko Aiba's series: Toshishita Kareshi ni Semararetemasu.
Cast: Daisuke Hirakawa, Takuya Satou
The Case of Yoshiyuki Hatori 	Emerald, 2017 Spring	Apr 27, 2017 	Emerald 2017 Spring contents page indicates a chapter for Ritsu and a chapter for Hatori. Contents also listed on a mercari sale. Included a Drama CD of Kyoko Aiba's series: Toshishita Kareshi ni Semararetemasu.
Cast: Daisuke Hirakawa, Takuya Satou
The Case of Shouta Kisa No.8 	Emerald, 2017 Summer	Aug 30, 2017 	Included a Drama CD of Kyoko Aiba's series: Toshishita Kareshi ni Semararetemasu.
Cast: Daisuke Hirakawa, Takuya Satou, Toshiyuki Morikawa
The Case of Masamune Takano No.1.5 (2018)	Volume 13 	May 1, 2018 	Release issue stated in volume 13 copyright page, Japanese edition.
The Case of Ritsu Onodera No.27 	Emerald, 2017 Winter	Dec 29, 2017 	Emerald 2017 Winter contents page shows a chapter for Ritsu Onodera. Included a Drama CD of Kyoko Aiba's series: Toshishita Kareshi ni Semararetemasu.
Cast: Kengo Kawanishi, Tarusuke Shingaki
The Case of Kou Yukina No.4 	Emerald, 2018 Spring	Apr 28, 2018 	Emerald 2018 Spring contents page shows a chapter for Kou Yukina. Included Sekai-ichi Hatsukoi themed rubber keychain.
The Case of Ritsu Onodera No.28 	Emerald, 2018 Summer	Aug 30, 2018 	Emerald 2018 Summer contents page shows a chapter for Ritsu Onodera. Also indicates a color page. Color page. Included Junjou Romantica themed rubber keychain.
The Case of Ritsu Onodera No.28.5 	Volume 14 	May 1, 2019 	
The Case of Ritsu Onodera No.29 	Emerald, 2018 Winter	Dec 28, 2018 	Emerald 2018 Winter contents page shows a chapter for Ritsu Onodera. Included two plastic book covers with art by Shungiku Nakamura and Miyuki Abe.
The Case of Ritsu Onodera No.29.5 	Volume 15 	May 1st, 2020	
The Case of Shouta Kisa No.9 	Emerald, 2019 Spring	Apr 30, 2019 	Emerald 2019 Spring contents page shows a chapter for Shouta Kisa. Also indicates a color page. Color page. Included Sekai-ichi Hatsukoi themed clear case and clear file.
The Case of Masamune Takano No.1 	Emerald, 2019 Summer	Aug 30, 2019 	Emerald 2019 Summer contents page indicates chapters for Takano and Yokozawa. Also listed in a mercari sale. Cover art. New anime installment announced. Included Junjou Romantica and Sekai-ichi Hatsukoi themed ballpoint pen.
The Case of Takafumi Yokozawa No.1 (2019)	Emerald, 2019 Summer	Aug 30, 2019 	Emerald 2019 Summer contents page indicates chapters for Takano and Yokozawa. Also listed in a mercari sale. Cover art. New anime installment announced. Included Junjou Romantica and Sekai-ichi Hatsukoi themed ballpoint pen.
The Case of Ritsu Onodera No.30 	Emerald, 2019 Winter	Dec 27, 2019 	Included Junjou Romantica and Sekai-ichi Hatsukoi themed eco-bag.
The Case of Shouta Kisa No.10 	Emerald, 2020 Spring	Apr 30, 2020 	Cover art. Included Sekai-ichi Hatsukoi themed acrylic key-chain depicting Ritsu Onodera and Masamune Takano.
The Case of Nao Kiyomiya No.1 (2021) 	Volume 16 	May 1, 2021 	
The Case of Ritsu Onodera No.31 	Emerald, 2020 Summer	Aug 28, 2020 	Included Junjou Romantica and Sekai-ichi Hatsukoi themed multi-pouch.
The Case of Ritsu Onodera Special Mix 	Emerald, 2020 Winter	Dec 28, 2020 	Included Junjou Romantica and Sekai-ichi Hatsukoi sticky notes and clear case.
The Case of Yoshiyuki Hatori Special Mix 	Emerald, 2020 Winter	Dec 28, 2020 	Included Junjou Romantica and Sekai-ichi Hatsukoi sticky notes and clear case.
The Case of Shouta Kisa Special Mix 	Emerald, 2020 Winter	Dec 28, 2020 	Included Junjou Romantica and Sekai-ichi Hatsukoi sticky notes and clear case.
The Case of Takafumi Yokozawa Special Mix	Emerald, 2020 Winter	Dec 28, 2020 	Included Junjou Romantica and Sekai-ichi Hatsukoi sticky notes and clear case.
The Case of Ritsu Onodera No.32 	Emerald, 2021 Spring	Apr 28, 2021 	Cover art. Included Junjou Romantica and Sekai-ichi Hatsukoi themed multi-case.
The Case of Ritsu Onodera No.33 	Emerald, 2021 Summer	Aug 30, 2021 	Included Junjou Romantica and Sekai-ichi Hatsukoi themed washi tape rolls and clip.
The Case of Ritsu Onodera No.33.5 	Volume 17 	Apr 30, 2022 	
The Case of Ritsu Onodera No.34 	Emerald, 2021 Winter	Dec 28, 2021 	Included Junjou Romantica and Sekai-ichi Hatsukoi themed resealable bags.
The Case of Shouta Kisa No.11 	Emerald, 2022 Spring	Apr 30, 2022 	Cover art. Included Junjou Romantica and Sekai-ichi Hatsukoi themed whiteboard and dry-erase marker as bonus.
The Case of Ritsu Onodera No.35 	Emerald, 2022 Summer	Aug 30, 2022 	Included Junjou Romantica and Sekai-ichi Hatsukoi themed slide zipper pouch as bonus.
The Case of Ritsu Onodera No.35.5 	Volume 18 	May 1, 2023 	
The Case of Shouta Kisa No.12 	Emerald, 2022 Winter	Dec 28, 2022 	Color page. Included a 60 page Junjou Romantica and Sekai-ichi Hatsukoi themed notebook with B6 size paper.
The Case of Shouta Kisa No.12.5 	Volume 19 	May 1, 2024 	
The Case of Ritsu Onodera No.36 	Emerald, 2023 Spring	Apr 28, 2023 	Cover art. Included two Junjou Romantica and Sekai-ichi Hatsukoi themed microfiber towels depicting Suzuki and Tinkle.
The Case of Ritsu Onodera No.37 	Emerald, 2023 Summer	Aug 30, 2023 	Rubber coaster depicting Tinkle and Suzuki, the series mascots, to celebrate the 15th and 20th publication anniversaries of Sekai-ichi Hatsukoi and Junjou Romantica respectively.
The Case of Masamune Takano No.1 (2023) 	Emerald, 2023 Winter	Dec 28, 2023 	Included an umbrella marker/identifier depicting Tinkle and Suzuki, series mascots, to hang from the handle of an umbrella.
The Case of Ritsu Onodera No.38 	Emerald, 2024 Spring	Apr 30, 2024 	Cover art. Includes a Junjou Romantica and Sekai-ichi Hatsukoi themed leather coin case.
The Case of Kou Yukina No.5 	Emerald, 2024 Summer	Aug 30, 2024 	Includes a Junjou Romantica and Sekai-ichi Hatsukoi themed satchel.
TBA 	Emerald, 2024 Winter	Dec 2024 	Cover art. Appendix TBA.
== External links==
*Yaoi Wiki: Emerald - Has pictures of the contents pages.
==References==