Sekai-ichi Hatsukoi Wiki
Sekai-ichi Hatsukoi Wiki

Welcome to Sekai-ichi Hatsukoi Wiki!
A Sekai-ichi Hatsukoi database that anyone can edit!
So far we have 164 articles! Contribute to make this wiki better!

Sekai-ichi Hatsukoi News

Emerald's summer issue, August 30, 2019.

Manga volume 12 (English) went on sale April 9, 2019.


  • Aug 2022 - Emerald's spring issue will go on sale in Japan.


  • Dec 2019 - Emerald's winter issue went on sale in Japan.
  • Aug 30, 2019 - Emerald's summer issue went on sale in Japan. It includes a chapter of The Cast of Takafumi Yokozawa and a chapter of The Case of Masamune Takano. A revised cover announced the new anime installment.
  • Aug 30, 2019 - ANNOUNCEMENT: Sekai-ichi Hatsukoi will have a new anime installment! Details pending.
  • May 1, 2019 - The fourteenth manga volume went on sale in Japan.
  • Apr 30, 2019 - Emerald's spring issue went on sale in Japan.
  • Apr 9, 2019 - The twelfth manga volume went on sale in North America.
  • Jan 8, 2019 - The eleventh manga volume went on sale in North America.
  • Dec 28, 2018 - Emerald's winter issue went on sale in Japan. It includes a chapter of The Case of Ritsu Onodera.
  • Aug 30, 2018 - Emerald's summer issue went on sale. It includes a chapter of The Case of Ritsu Onodera.
  • Aug 28, 2018 - The Sekai-ichi Hatsukoi mobile game was released.

Manga volume 14 (Japanese) went on sale May 1, 2019.

Anime series DVD set released by Funimation


  • The manga is ongoing and a new chapter is published about three times a year in Emerald magazine. A new volume is released once a year in Japan.
  • The manga is licensed for English release in North America by SuBLime.
  • The first two seasons of the anime with English subtitles are officially available streaming on Crunchyroll and were released on DVD by Funimation.
  • The anime series has ended and there is no word on a new season. In 2020, a new anime feature was released in theatres.
About Sekai-ichi Hatsukoi

First manga volume

Sekai-ichi Hatsukoi (世界一初恋), or The World's Greatest First Love, is a Japanese BL series created by Shungiku Nakamura. It began as a manga and light novel series in 2006. In 2011, it was adapted into an anime television series, focusing mainly on the manga. It has additionally been adapted into a drama CD series, and has additional content such as radio CDs and character songs performed by the anime voice actors.

The Case of Ritsu Onodera (小野寺律の場合, Onodera Ritsu no Baai) is the main story told in the manga series and the anime adaptation. It follows Ritsu Onodera, a literature editor, as he begins a new job in shoujo manga at Marukawa Publishing. His new boss, Masamune Takano, turns out to be Ritsu's first love from high school.

First light novel volume

The Case of Chiaki Yoshino (吉野千秋の場合, Yoshino Chiaki no Baai) is the first light novel series. It follows mangaka Chiaki Yoshino and his developing relationship with lifelong friend and current editor Yoshiyuki Hatori, and the love triangle formed with Yuu Yanase, Chiaki's friend who also vies for Chiaki's affections.

The Case of Shouta Kisa (木佐 翔太の場合, Kisa Shouta no Baai) is a story told in the manga series beginning in 2009. It follows the relationship between Shouta Kisa, a shoujo manga editor, and Kou Yukina, a bookstore employee and fan of Kisa's work.

The Case of Takafumi Yokozawa (横澤隆史の場合, Yokozawa Takafumi no Baai) is the second light novel series which began publication in 2011. It follows the relationship between Takafumi Yokozawa and Zen Kirishima.

The Case of Animate (アニメイトの場合, Animeito no Baai) is a new light novel series about the relationship between the characters Keiki Tezuka and Kensuke Saigusa.

Featured Character
Sorata is a cat in the Sekai-ichi Hatsukoi series. It was rescued by Masamune Takano (then Saga) when Takano was in high school.

Takano found Sorata abandoned in an cardboard box in the rain, and he took Sorata home. Takafumi Yokozawa later took care of Sorata while Takano was having troubles. Sorata later went to Kiyori Kirishima. Read more!

Featured Episode
Ritsu runs into Sumi ep11.jpg

"It never rains but it pours" is the eleventh episode of the Sekai-ichi Hatsukoi anime series. The episode focuses on the relationship between Ritsu Onodera and Masamune Takano.

When Ritsu runs into an author whose work he used to edit, he's reminded of his love for editing literature and learns that he could transfer to Marukawa's literature department, leaving him with a decision to make. Read more!

Get involved!

Sekai-ichi Hatsukoi wiki needs your help! Wikis only improve with the help of fans.

Not sure where to start?

  • Start by Registering to become a member of the community!
  • Edit your own user page - it's good practice for beginners, and it'll tell us a bit about you!
  • Not sure about editing? Check out some tutorials for the basics, and feel free to test edits in the sandbox!

Areas we could use your help:

  • Add information to existing pages, such as plot summaries, images, and info missing from the infobox.
  • Fill in short chapter summaries for manga volumes and light novels that need them, especially later volumes.
  • Page cleanup - spelling, grammar, and rephrase for clarity.
  • Create pages for characters who don't have them yet.
  • A great way to help is to just reread a chapter or rewatch an episode, especially later chapters. Then look through related pages (characters, volume, episode, etc.) to see that the events are documented and accurate. Edit and add information where needed!
  • If you check a source, add a reference!
  • Suggest improvements on talk pages and in the forum.
Main Relationships
Poll Results

Who is your favorite female character?

  • Hiyori Kirishima (49, 55.68%)
  • Saeki (15, 17.05%)
  • An Kohinata (14, 15.91%)
  • Yukina Mutou (6, 6.82%)
  • Erika Ichinose (1, 1.14%)
  • Ritsu's mother (1, 1.14%)
  • Yoriko Yoshino (1, 1.14%)
  • Chinatsu Yoshino (0, 0%)
  • Someone else! (1, 1.14%)

Which is better?

  • All of them! (27, 75%)
  • I've only seen the anime... (6, 16.67%)
  • The manga (2, 5.56%)
  • The anime (1, 2.78%)
  • The novels (0, 0%)

  • Would you watch season 3 if there was one?

  • Yes (58, 98.31%)
  • I'm not sure, it's been awhile... (1, 1.69%)
  • No (0, 0%)

  • Who is your favorite male character?

  • Ritsu Onodera (57, 30.48%)
  • Masamune Takano (57, 30.48%)
  • Shouta Kisa (23, 12.3%)
  • Kou Yukina (18, 9.63%)
  • Yoshiyuki Hatori (8, 4.28%)
  • Chiaki Yoshino (7, 3.74%)
  • Takafumi Yokozawa (7, 3.74%)
  • Zen Kirishima (5, 2.67%)
  • Yuu Yanase (4, 2.14%)
  • Someone else! (1, .53%)

  • Love rival you wouldn't mind seeing succeed?

  • Yuu Yanase (34, 89.47%)
  • An Kohinata (2, 5.26%)
  • Arata Haitani (1, 2.63%)
  • Takafumi Yokozawa (1, 2.63%)

  • Which Sekai-ichi Hatsukoi couple is your favorite?

  • Ritsu and Takano! (62, 46.62%)
  • All of them! I can't decide! (28, 21.05%)
  • Kisa and Yukina! (23, 17.29%)
  • Yokozawa and Kirishima! (15, 11.28%)
  • Chiaki and Hatori! (5, 3.76%)

  • Random volume
    Volume02cover eng.jpg

    The Case of Ritsu Onodera 2 (manga)

    Official Twitter Account

    Want to become an affiliate? Ask here!

    Wiki List
    Spotlight Request
    Spring Season 2022 Anime Wikis
    TV Anime
    TV (Multiseason)

    [Edit this list]

    All • Action • Adventure • Comedy • Drama • Fantasy • Horror • Mecha • Mystery • Romance • Sci-fi • Slice of Life • Sports • Supernatural • Memes • Funimation


    009-1A Certain Magical IndexA Centaur's LifeAfro SamuraiAh! My GoddessAi Yori AoshiAirAir GearB Gata H KeiBaccanoBaka to Test to ShoukanjuuBaki the GrapplerBamboo BladeBasiliskBig Wind UpBlack ButlerBlack CatBlack Blood BrothersBlack LagoonBlack Rock ShooterBlue ExorcistBlood-CBurst AngelCasshanCat Planet CutiesChobitsCorpse Princess: Shikabane HimeChrome Shelled RegiosClaymoreCode:BreakerCode GeassCowboy BebopDance in the Vampire BundDarker than BlackDeadman WonderlandDevil May CryD.Gray ManDigimonDragonaut -The Resonance-Dragon BallDragon Goes House-HuntingEden Of The EastEureka SevenFafner in the AzureFairy TailFLCLFractaleFruits BasketFull Metal Panic!Fullmetal AlchemistGANGSTA.GaroGhost HuntGirls BravoGleipnirGuilty CrownGun X SwordHaruhi Suzumiya WikiHeaven’s Lost PropertyHetaliaHigurashi When They CryHyoukaInitial DInterviews with Monster GirlsJormungandKakuriyo -Bed & Breakfast for Spirits-KanonKaze no StigmaKeroro Gunso (Sgt Frog)KingdomKonohana KitanKuma Kuma Kuma BearLast ExileLaw of UekiLe Chevalier D'EonLove HinaMinami-keMiss Kobayashi-san's Dragon MaidMy Bride is a MermaidNatsume YuujinchouNegimaNoirNo-RinNoragamiNyan Koi!Okami-san and her Seven CompanionsOne PieceOuran High School Host ClubPanty and Stocking with GarterbeltPeacemakerPeach GirlPrison SchoolRomeo × JulietRosario + VampireSamurai ChamplooSekai-ichi HatsukoiSpace DandySekireiShakugan no ShanaShikiSpice & WolfShin ChanShounen MaidShow by Rock!!Taisho Otome Fairy TaleTexhnolyzeThe Ancient Magus BrideThe Case Study of VanitasThe Morose MononokeanTorikoUnbreakable Machine-DollWelcome to the N-H-KWitchblade×××HolicYatterman NightYuYu Hakusho