Sekaiichi Hatsukoi (Yaoi) manga

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Nakamura Shungiku 2000 released.
Comedy / Drama / Romance / Slice Of Life / Yaoi
世界一初恋 ~小野寺律の場合~; 世界第一初恋; 世界第一初戀; Sekai Ichi Hatsukoi - Onodera Ritsu no Baai; Sekai-ichi Hatsukoi; Sekai-ichi Hatsukoi - Yukina Kou no Baai; Sekaiichi Hatsukoi - Kisa Shouta no Baai; Sekaiichi Hatsukoi - Onodera Ritsu no Baai; The Case of Onodera Ritsu; World's Greatest First Love: Ritsu Onodera's Affair; World's Greatest First Love: The Case of Onodera Ritsu
Vol.9 Ch.1.1
Vol.8 Ch.11
Vol.8 Ch.10
 9.6
1152 voted
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Summary

The following content is intended for mature audiences and may contain sexual themes, gore, violence and/or strong language. Discretion is advised.

Sekaiichi Hatsukoi ~Onodera Ritsu no Baai~
Onodera Ritsu has just transferred from his father's publishing company to Marukawa Shoten. Assigned to the shoujo manga division, he crosses path with the person he'd least expected to meet. Takano Masamune is the editor-in-chief of the division Ritsu's been assigned to, and the two seem get off on the wrong foot right from the very start when Takano unexpectedly kisses him. However, there is more to than what meets the eye: Takano is actually Saga, Ritsu's senpai and high school love-- whom Ritsu had thought to have played him for a fool by taking his affections for granted when he confessed and summarily dumped him. (from zero_kiryuu)
loosely connected to Junjou Romantica (Usami Akihiko's name's in here!)

Sekaiichi Hatsukoi ~Kisa Shouta no Baai~

The second story tells about Ritsu's colleague Kisa Shouta
who works with him at Marukawa Shoten's Emerald shoujo
manga department and ever smiling, suave and irresistably handsome Kou Yukina. 

Other manga by the same author(s)

Chapters(54)

Sekaiichi Hatsukoi Vol.9 Ch.1.1 : Vol 09Onodera Ritsu no Baai vol 9 extras

Feb 19, 2015

Sekaiichi Hatsukoi Vol.8 Ch.11 : Vol 08The Case of Onodera Ritsu vol 20

Feb 19, 2015

Sekaiichi Hatsukoi Vol.8 Ch.10 : Vol 08The Case of Onodera Ritsu vol 19

Feb 19, 2015

Sekaiichi Hatsukoi Vol.8 Ch.9 : Vol 08The Case of Onodera Ritsu vol 18

Feb 19, 2015

Sekaiichi Hatsukoi Vol.8 Ch.8 : Vol 08The Case of Onodera Ritsu vol 17

Feb 19, 2015

Sekaiichi Hatsukoi Vol.8 Ch.7.1 : Vol 08Valentine's Day Prologue

Feb 19, 2015

Sekaiichi Hatsukoi Vol.8 Ch.7 : Vol 08The case of Yukina Kou vol 2

Feb 19, 2015

Sekaiichi Hatsukoi Vol.8 Ch.6.5 : Vol 08Onodera Ritsu no Baai Volume 8 extra

Feb 19, 2015

Sekaiichi Hatsukoi Vol.8 Ch.6 : Vol 08The Case of Onodera Ritsu vol 16

Feb 19, 2015

Sekaiichi Hatsukoi Vol.8 Ch.5 : Vol 08The Case of Yokozawa Takafumi vol 3

Feb 19, 2015

Sekaiichi Hatsukoi Vol.8 Ch.4 : Vol 08The Case of Yokozawa Takafumi vol 2

Feb 19, 2015

Sekaiichi Hatsukoi Vol.8 Ch.3 : Vol 08The Case of Onodera Ritsu vol 15

Feb 19, 2015

Sekaiichi Hatsukoi Vol.8 Ch.2 : Vol 08The Case of Kisa Shouta vol 5

Feb 19, 2015

Sekaiichi Hatsukoi Vol.8 Ch.1 : Vol 08The Case of Onodera Ritsu vol 14

Feb 19, 2015

Sekaiichi Hatsukoi Vol.7 Ch.6 : Vol 07The Case of Yokozawa Takafumi vol 1

Feb 19, 2015

Sekaiichi Hatsukoi Vol.7 Ch.3.6 : Vol 07Extra Booklet

Feb 19, 2015

Sekaiichi Hatsukoi Vol.7 Ch.3.5 : Vol 07The Case of Onodera Ritsu No. 13.5

Feb 19, 2015

Sekaiichi Hatsukoi Vol.7 Ch.3 : Vol 07The Case of Onodera Ritsu vol 13

Feb 19, 2015

Sekaiichi Hatsukoi Vol.7 Ch.2 : Vol 07The case of Yukina Kou vol 1

Feb 19, 2015

Sekaiichi Hatsukoi Vol.7 Ch.1 : Vol 07The Case of Onodera Ritsu vol 12

Feb 19, 2015

Sekaiichi Hatsukoi Vol.6 Ch.3.5 : Vol 06The Case of Takano Masamune vol 1.5

Feb 19, 2015

Sekaiichi Hatsukoi Vol.6 Ch.3 : Vol 06The Case of Onodera Ritsu vol 11

Feb 19, 2015

Sekaiichi Hatsukoi Vol.6 Ch.2 : Vol 06The Case of Takano Masamune vol 1

Feb 19, 2015

Sekaiichi Hatsukoi Vol.6 Ch.1 : Vol 06The Case of Onodera Ritsu vol 10

Feb 19, 2015

Sekaiichi Hatsukoi Vol.5 Ch.13 : Vol 05The Case of Hatori Yoshiyuki vol 5

Feb 19, 2015

Sekaiichi Hatsukoi Vol.5 Ch.12 : Vol 05The Case of Hatori Yoshiyuki vol 4

Feb 19, 2015

Sekaiichi Hatsukoi Vol.5 Ch.11 : Vol 05The Case of Hatori Yoshiyuki vol 3

Feb 19, 2015

Sekaiichi Hatsukoi Vol.5 Ch.10 : Vol 05The Case of Hatori Yoshiyuki vol 2

Feb 19, 2015

Sekaiichi Hatsukoi Vol.5 Ch.9 : Vol 05The Case of Hatori Yoshiyuki vol 1

Feb 19, 2015

Sekaiichi Hatsukoi Vol.5 Ch.8 : Vol 05The Case of Yoshino Chiaki vol 4

Feb 19, 2015

Sekaiichi Hatsukoi Vol.5 Ch.7 : Vol 05The Case of Yoshino Chiaki vol 3

Feb 19, 2015

Sekaiichi Hatsukoi Vol.5 Ch.6 : Vol 05The Case of Yoshino Chiaki vol 2

Feb 19, 2015

Sekaiichi Hatsukoi Vol.5 Ch.5 : Vol 05The Case of Yoshino Chiaki vol 1

Feb 19, 2015

Sekaiichi Hatsukoi Vol.5 Ch.4.6 : Vol 05Extra

Feb 19, 2015

Sekaiichi Hatsukoi Vol.5 Ch.4.5 : Vol 05The Case of Kisa Shouta vol 4.5

Feb 19, 2015

Sekaiichi Hatsukoi Vol.5 Ch.3 : Vol 05The Case of Onodera Ritsu vol 9

Feb 19, 2015

Sekaiichi Hatsukoi Vol.5 Ch.2 : Vol 05The Case of Onodera Ritsu vol 8

Feb 19, 2015

Sekaiichi Hatsukoi Vol.5 Ch.1 : Vol 05The Case of Kisa Shoutai vol 4

Feb 19, 2015

Sekaiichi Hatsukoi Vol.4 Ch.4 : Vol 04The Case of Kisa Shouta vol 3

Feb 19, 2015

Sekaiichi Hatsukoi Vol.4 Ch.3 : Vol 04The Case of Onodera Ritsu vol 7.5

Feb 19, 2015

Sekaiichi Hatsukoi Vol.4 Ch.2 : Vol 04The Case of Onodera Ritsu vol 7

Feb 19, 2015

Sekaiichi Hatsukoi Vol.4 Ch.1 : Vol 04The Case of Onodera Ritsu vol 6

Feb 19, 2015

Sekaiichi Hatsukoi Vol.3 Ch.4 : Vol 03The Case of Kisa Shouta vol 2

Feb 19, 2015

Sekaiichi Hatsukoi Vol.3 Ch.3 : Vol 03The Case of Kisa Shouta vol 1

Feb 19, 2015

Sekaiichi Hatsukoi Vol.3 Ch.2 : Vol 03The Case of Onodera Ritsu vol 5

Feb 19, 2015

Sekaiichi Hatsukoi Vol.3 Ch.1 : Vol 03The Case of Onodera Ritsu vol 4.5

Feb 19, 2015

Sekaiichi Hatsukoi Vol.2 Ch.4 : Vol 02The Case of Onodera Ritsu vol 4

Feb 19, 2015

Sekaiichi Hatsukoi Vol.2 Ch.3 : Vol 02The Case of Onodera Ritsu vol 3 part 2

Feb 19, 2015

Sekaiichi Hatsukoi Vol.2 Ch.2 : Vol 02The Case of Onodera Ritsu vol 3 part 1

Feb 19, 2015

Sekaiichi Hatsukoi Vol.2 Ch.1 : Vol 02The Case of Onodera Ritsu vol 2.5

Feb 19, 2015

Sekaiichi Hatsukoi Vol.1 Ch.4 : Vol 01The Case of Onodera Ritsu vol 2 part 2

Feb 19, 2015

Sekaiichi Hatsukoi Vol.1 Ch.3 : Vol 01The Case of Onodera Ritsu vol 2 part 1

Feb 19, 2015

Sekaiichi Hatsukoi Vol.1 Ch.2 : Vol 01The Case of Onodera Ritsu vol 1 part 2

Feb 19, 2015

Sekaiichi Hatsukoi Vol.1 Ch.1 : Vol 01The Case of Onodera Ritsu vol 1 part 1

Feb 19, 2015
...
click to show all of the chapters
Total: Sort by: Popularity / Date
2014-08-02 01:54
94Agree
I love the manga way more than the anime. Reason being, the amount of sexiness.
2014-08-02 10:02
53Agree
How can you not fall for this sweet story? Once you start reading, you get addicted. So much love, everyone wants it ~
2014-09-08 16:34
32Agree
Masterpice
2014-08-02 01:05
25Agree
Im not surptised! Its one of Nakamura Shungiku works! That is all I have to say and to me that is a lot. :)

1633 Topics

  1. YG February 25, 2015 3:02 am

    Want to earn extra income click the link below
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  2. Akihito Ryuuichi February 23, 2015 9:28 am

    I like the manga, though i seen the anime first.. I like both... I hope the manga update soon and anime too go for season 3.. hehehe
    And onodera ritsu please give answer to Takano masamune as soon as possible.. Poor takano..

    • RoyalePhantom February 23, 2015 3:09 pm

      But if Ritsu gives his answer to Takano, then that means the manga will come to an end... The dilemma... ╥﹏╥

    • Akihito Ryuuichi February 23, 2015 3:50 pm

      Yes I guess so but i hope when the time ritsu tell takano he love him this manga not end and continue with they super lovey dovey couple..

  3. YaoiFinder
    February 22, 2015 9:13 am

    It's good that the manga was sorted. But have anyone else notice that Chiaki and Hatori stories is been taken out? I remember previously there was the story mentioned about Chiaki's assistant. This reload seems to have taken out. I've just re-read and saw the notice being taken out. Wanted to find back the notice but I can't find it already. ( ̄∇ ̄")

    • minkupinku February 22, 2015 11:10 am

      well their story is kinda... rapey in the light novel. it must've been because nakamura dropped the series already so the scanlators decided to remove it? (like you know, for people not to have high expectation ┑( ̄Д  ̄)┍ idk im just making guesses xD)

    • Anonymous February 24, 2015 2:44 pm
      well their story is kinda... rapey in the light novel. it must've been because nakamura dropped the series already so the scanlators decided to remove it? (like you know, for people not to have high expectation... minkupinku

      it wasnt dropped by Nakamura. The scan group didnt like the fact of the "rape" in that side story so they didnt translate anything other then what they had before hand.

  4. lovemanga
    February 21, 2015 7:06 pm

    Why is all the chapter being updated as new. Can anyone tell me the reason.

    • hataki February 21, 2015 8:44 pm

      some chapters were missing, so they fixed it. :3

  5. anonberry February 20, 2015 12:04 pm

    is this a reupload?

    • lamRia February 20, 2015 3:14 pm

      Yeah. It seems so. ┑( ̄Д  ̄)┍

    • hehe
      February 20, 2015 3:17 pm

      Kind of (⌒▽⌒)
      Now it is well-organised, I re-red the whole thing and there's nothing new
      (▰˘◡˘▰)

    • Ayu-chan
      February 20, 2015 9:30 pm
      Kind of (⌒▽⌒) Now it is well-organised, I re-red the whole thing and there's nothing new (▰˘◡˘▰) hehe

      Haaaaan (/TДT)/

    • hehe
      February 21, 2015 7:48 am
      Haaaaan (/TДT)/ Ayu-chan

      I feel you...(● ̄(エ) ̄●)

    • I Thot You Was a Toad
      February 21, 2015 8:06 am
      Kind of (⌒▽⌒) Now it is well-organised, I re-red the whole thing and there's nothing new (▰˘◡˘▰) hehe

      The original upload was confusing to follow at times, but does that mean there are two version uploaded to mangago?

    • hehe
      February 21, 2015 10:07 am

      (If I understood your question ^^") this time it is the second time, the chapters which are the same are "less messy" in their order and it's not the first time that a manga is reorganised (⌒▽⌒)

    • I Thot You Was a Toad
      February 21, 2015 2:34 pm
      (If I understood your question ^^") this time it is the second time, the chapters which are the same are "less messy" in their order and it's not the first time that a manga is reorganised (⌒▽⌒) hehe

      Okay. Duplicates are annoying because someone has already taken the trouble to upload the manga and the duplicate syphons off all the comments, but when the uploader takes the time to tidy up a manga that is organized messily, that's always great.

  6. Erika February 20, 2015 3:14 am

    the story was Beautiful and funny also the characters this manga was beautiful cute Very Kawai manga ever read i hope onodera and masamune get married soon I hope can Live together also husband and wife be happy KAWAI couple in the manga also the anime I hope onodera tell masamune he love him please onodera just tell him you love masamune everyone knows you still love him deep in your heart please just tell all ready

    • Anonymous February 20, 2015 3:41 pm

      I also looking forward to that day where all the couples will get married and live happily ever after.

  7. Anonymous February 20, 2015 2:45 am

    Don't get me wrong ...I love the story ...I really do
    But
    There's not enough kirishima ...his back story would of been nice
    And
    The wife's story before she passed away ...
    Now don't throw things but I think it would make yokozawa's story
    A wee bit better ...?

    • haliuka February 21, 2015 2:48 pm

      what r u saying'? xDD there are tons of Kirishima stories. .but it's a light novel. September scans are translating it. go read it there. And they even got a MOVIE ;_; i want Ritsu and Takano's movieeee :'(

  8. Question February 19, 2015 2:29 pm

    Some people say that there were some missing chapters that have finally been added. Does anyone know what those chapters are?

    • Rie_07 February 19, 2015 4:14 pm

      If I'm not wrong it's vol 7 chap 3 : Ritsu Birthday and flower viewing.
      And some page about Ritsu tell Takano that he faking his name.
      Then Vol 7 chap 1 : Ritsu's mom hospitalized and an-chan knew about Ritsu and Takano.

  9. Morcheeba February 19, 2015 2:28 pm

    This certainly isn't my first time re-reading this, but I noticed a common pattern - when I reach the part, where Takano realizes that he had his first love and heartbreak (+ subsequent depression) with someone whose FREAKING CORRECT LAST NAME wasn't know because they couldn't keep a conversation alive for the love of....hell yeah, because he knew the name of the love of his life not through introduction, but because of the library card ...
    And yes, that's the reoccuring point where I start hugging my desk.

  10. chrysanthemum February 19, 2015 1:30 pm

    what the... where should i start reading?(⊙…⊙ )
    or maybe i should re-read everything from the start?

    • Anony-chan
      February 19, 2015 6:02 pm

      The order was off so now they updated every chapter the right way.

  11. MOI?
    February 19, 2015 12:16 pm

    Wut /:0

  12. Lily February 19, 2015 9:30 am

    Im glad they fixed the missing chapters and the order! I was very annoying to go to other sites for a fer chapters

  13. Chan February 19, 2015 8:22 am

    Oh go why is everything marked as new XD No idea how I'm going to be able to find the updates... //Sigh oh well... Time to reread again c:

    • Anonymous February 19, 2015 9:19 am

      same here, not that i really need a special reason to reread this again~~~~ ^^

    • Carmella February 19, 2015 7:19 am

      The artist is Asou Kai, but I'm not sure of the exact story.

  14. IrisOfTheMoon February 19, 2015 5:07 am

    "I... I have a fiance...."
    No you don't. Only if it is Takano and Takano only. Only then yes.
    (=・ω・=)

  15. ekarineaMika=_= February 19, 2015 4:38 am

    it tagged 'new'....should I re-read all chapters again??Which one is actually and really updated here?I am confuse right now..

    • messy-mushroom
      February 19, 2015 4:59 am

      the last one I guess ? The bonus x)

    • SilentChaos
      February 19, 2015 5:10 am
      the last one I guess ? The bonus x) messy-mushroom

      Looks like you're right. Its only the bonus one that's new for now.

    • ekarineaMika=_= February 19, 2015 5:28 am
      the last one I guess ? The bonus x) messy-mushroom

      nah, it was not new to me..it hve been posted here a while ago..I think they just updated, changed or fixed all the chapters tht are missing or not included..

    • ekarineaMika=_= February 19, 2015 5:34 am
      nah, it was not new to me..it hve been posted here a while ago..I think they just updated, changed or fixed all the chapters tht are missing or not included.. ekarineaMika=_=

      it not at the last one..just have to go back to middle all of the chapters to looking the new one..gosh, that was so confusing...but oh well, I got plenty of times to search it..hahaha

  16. Shroov05 February 17, 2015 4:59 pm

    Call me a total douche for actually liking to see Takano suffered a heartbreak from seeing Ritsu with other man or woman (Im sure Ritsu isn't bi, but his history of having a fiancee might cause the reason of Takano to still have insecurities about it) but eh im re - reading the second volume (cuz i can't wait and im so bored + i have no life) when Takano witnessed a drunk Saeki clinging into Ritsu and then the next panel he was already waiting in front of his apartement, drenched from the rain and he goes in a rage mode for seeing Ritsu with another girl and a confession that the later will never fall in love with him. I was like '(≧∀≦)' the entire time. Gosh, Jealous Takano + Possesive Takano is the best.

    • ekarineaMika=_= February 19, 2015 4:46 am

      same here...it because we don't get many chances to see Takano in tht mode..once in a while though..

  17. lovemanga
    February 16, 2015 8:13 pm

    Did they mention it will be released on april?

    • IrisOfTheMoon February 19, 2015 5:01 am

      What will?

    • Evilcleo February 21, 2015 2:48 am

      The manga, volume 1 that is. Actually it was supposed to be feb but the schedule changed w/o explanation. Annoyed at that but I'm trying to be positive and happy they're releasing it at all.

  18. Maggre February 14, 2015 8:07 am

    Wasn't there a chapter where An chan meets Takano and is basically like, "take care of ritsu for me" when she sees the way ritsu looks at takano??? where that chapter?

  19. Ritsu February 12, 2015 7:26 pm

    Aww, this manga is just so damn freaking beautiful, the drawings, the plot, the dialogue... I just wish Ritsu will accept Takano-san already, I hope they don't get hurt and live happily... gosh they are just so fucking cute! The story is really nice... the second pairing of dreamy Kou and cute faced... Kisa, god so adorable, Kisa didn't even realize that he wasn't in love with Kou's face alone but with Kou himself at first and god that possessive Kou when he bet Kisa's some ex dude boy friend up, so hot and steamy!

    Keep up the good work Shungiku-sama, all of your works are really good and have great characters and plot and emotions! Hybrid Child! Junjou! I love your couples and your stories are pretty realistic too, I mean real gay people don't have it easy now do they?