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Sekaiichi Hatsukoi  
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Onodera Ritsu quits his job and transfers to the publishing company Marukawa Shoten. Sadly, he gets assigned to the editing department that handles shoujo manga; and Ritsu, who vowed to never fall in love again, working on love stories is impossible. Panic ensues when he realises that the arrogant and tyrannical head editor turns out to be his former first love!

Includes Onodera's co-worker Kisa Shouta's storyline of his encounter with handsome student and book store clerk Yukina Kou.


Related Series

Associated Names
Лучшая в мире первая любовь
Самое прекрасное в мире - первая любовь
世界一初恋 ~小野寺律の場合~
Mejor Primer Amor del Mundo - El Caso de Onodera Ritsu (Spanish)
Melhor Primeiro Amor do Mundo - O Caso de Onodera Ritsu (Portuguese)
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 - Le cas de Ritsu Onodera
Sekaiichi Hatsukoi - Onodera Ritsu no Baai
Sekaiichi Hatsukoi Przypadek Ritsu Onodery
The World's Greatest First Love: The Case of Ritsu Onodera

Groups Scanlating
Dangerous Pleasure
It's Daletos!
Ninja Scanlations
Saku Translation

Latest Release(s)
c.8 by Supergay Scanlations 25 days ago
v.9 c.27 by Saku Translation 5 months ago
v.9 c.26 by Saku Translation 6 months ago
Search for all releases of this series

Status in Country of Origin
13 Volumes (Ongoing)

Completely Scanlated?

Anime Start/End Chapter
Starts at Vol 1, Chap 1 [S1]; Vol 3, Chap 5 [S2]
Ends at Vol 2, Chap 4 [S1]; Vol 6 Chap 10 [S2]

User Reviews

2 topics, 10 posts
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User Rating
Average: 8.7 / 10.0 (748 votes)
Bayesian Average: 8.61 / 10.0
 51% (379 votes)
 19% (140 votes)
 14% (101 votes)
 7% (49 votes)
 4% (28 votes)
 1% (8 votes)
 1% (4 votes)
 1% (5 votes)
 1% (4 votes)
 4% (30 votes)

Last Updated
February 14th 2018, 6:55pm PST



Category Recommendations





Original Publisher

Serialized In (magazine)
Asuka Ciel (Kadokawa Shoten)
Emerald (Kadokawa Shoten)

Licensed (in English)

English Publisher
SuBLime (9 Volume - Ongoing; Print)

Activity Stats (vs. other series)
Weekly Pos #424 decreased(-16)
Monthly Pos #510 increased(+61)
3 Month Pos #561 decreased(-102)
6 Month Pos #491 decreased(-124)
Year Pos #421 decreased(-159)

List Stats
On 2832 reading lists
On 485 wish lists
On 100 unfinished lists
On 579 custom lists

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Forum Posts
Second Season green-lit over 6 years ago
Sekai-ichi Hatsukoi Manga Has TV Anime in the Works over 6 years ago

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User Comments [ Order by usefulness ]

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Long Drag   
Rating: N/A
by Hannachan
November 6th, 2016, 6:01am
My main problem is with Onodera and Takano's relationship. I can very much side with Onodera (believe it or not) and I completely understand his stubborn reluctance to accept Takano. He was and always will be a flawed character. And that is 100% ok. This is who he is and that's what makes him his own character. HOWEVER, the thing that has been bothering me is Takano. In this manga, Takano consistently forces Ritsu to have sex whilst justifying his actions with sweet words. It sucks how many yaoi mangas consider this the 'norm'. I understand that Takano is supposed to have this horrid personality, but his actions are just gross to me sometimes. I recall people commenting on how nice it was to finally see Onodera and Takano make love for once - where both parties were consenting. Nakamura uses sex as a way to keep readers interested, but eventually, sex isn't going to fill in the large emotional gap in the story. This is what many readers crave. Growth. The only way the author brings some emotional depth is to add another side character to instigate things.

The manga has been dragging for far too long in my opinion. Too much attention being put on side character a,b,c etc... What started out as an interesting and somewhat bittersweet love story, has soon turned into an endless repetition of the same formula.
Characters complain at work > Takano forces Onodera to spend time with him > Takano forces sex > Onodera denies all feelings > Next day, wake up at office with a funny gag. Repeat.

This formula will be repeated until the day counter "runs out". I just seriously hope that we get to see Onodera and Takano share a heart to heart without the comedic slapstick or Takano's angry impulse taking over. (Which is very scary) I feel like it's unfair for Takano to ask for Onodera to change so much when he himself has so many childish anger problems. For once, i'd like to see an ending where Onodera and Takano laugh and flirt with eachother like a healthy relationship. Maybe see Onodera fluster Takano. But I highly doubt that would happen.

As with the other two pairings, I seriously cant bring myself to care for Kisa and Yukina. It was cute and fun at first, but I feel like their storyline ended a long time ago. Kisa loves Yukina's face bla bla...I actually leaned towards Hatori and Chiaki's relationship. This story got a lot of backlash for Hatori's rape of Chiaki. BUT many people don't consider the fact that the rape part of the story was NOT WRITTEN by Nakamura herself. The rape part of the story was written by a different writer within the editing team.(A sick one :/) Once this is taken into consideration, Hatori and Chiaki are quite good together. Hatori, in my opinion, is a hard and complex character to properly write. He is an old-fashioned romantic at heart with a stern and serious personality. I'm just very sad that the writers of SH didn't know how to tackle his character without making him rape his lover. Hatori had the potential to be one of the more sensual and deep semes in all of Nakamura's work. I would LOVE to see their story written in the hands of a more experienced writer. I still love these two and its a shame to see how many people completely hated Hatori despite not knowing what happened behind the scenes. Even the scanlators flat out rejected their story without researching.

Yokozawa's relationship is actually pretty nice so far. Can't wait to see him eventually take the role of "mommy" lol. I think this did good for his character to show that he s not just a hollow, 1-dimentsional character.
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Better than Junjou Romantica, but not great.   
Rating: N/A
by sofistree
September 16th, 2016, 11:40am
On the one hand, I like this better than Junjou Romantica. Mostly because I don't dislike any of the couples all the time (which happens with 2 of the 3 in JR).

On the other hand, it's still basically JR. Which is fine, except I get tired of a few recycled plots. Also, the "extremely dub-con and basically rape except that much later the dub-conned guy says he was into it" thing is awful. I really dislike it and it's so prominent in this authors works.

So, yeah. There are worse things. With this, like with JR, if you're not 13 or really drunk, maybe don't read it.
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I don't know   
Rating: N/A
by Jalapeno-san
February 14th, 2016, 10:58am
I've always hated this mangaka's art, mainly because for me it was so hard to follow
but once you get used to it it's not that bad anymore. Also this kind of tells how
manga industry gives everyone a chance lol xD

The main character can be a bit annoying from time to time but I guess that
there's no other way if you want to drag manga for so long;

The story is something I've definitely seen a lot but it's amazing how good this
artist is at teasing us with sex scenes and other love scenes yet keeping
their relationship like it is for sooo many chapters. I think that is an amazing

For now, I would recommend this for everyone who just wants shounen ai/yaoi
that gets you hooked and has a good amount of drama.

(seriously doe, I wonder how the artist decided she wants to draw manga
with that kind of artstyle...)

... Last updated on February 14th, 2016, 10:59am
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It's cute   
Rating: 6.0 / 10.0
by Autorama
September 29th, 2015, 11:39am
If you're just starting to read yaoi, this may be your cup of tea. Sadly, it's not mine anymore.

I don't think the art is so bad as some people say, but It certainly could be better. It all looks rushed, wich is weird, since I've got the feeling that the mangaka is dragging this story.

The part about Takano and Ritsu and their previous relationship is well written in my opinion. But this manga could have ended a long time ago. I get the feeling that the author is just using random cliches and stalling. And the side stories... Oh my.nso boring. They really don't deserve so many chapters.

I just hope she finishes the manga soon and don't screw up the ending!
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Really Love It!!   
Rating: 10.0 / 10.0
by babyloll
December 23rd, 2014, 6:05am
This is my favorite yaoi manga, the art is not that good but I love her art, I can feel the character's feeling from her art that's why i love it so much, her art have improved a lot. And the story is very touching, i can feel that Takano really do loves Ritsu and treasure him. The sex scene is hot enough for me, especially their expression, it feels like i always go "kyaaaa" the moment i saw them having sex.

I used to hate yaoi, but after i reading this i was thought "Yaoi is not bad huh, it actually very good..." and i becomes a fujoshi right away. Honestly, i always thinking "Why don't u just admit it that you fell for Takano already, Ritsu!!!" the moment I saw Onodera get tsundere all the time. I even shouted because of it in my bedroom alone like a crazy.

Anyway I really loves this manga very much! I hope the scanlations will continue to scan and translate it this manga.
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This is why i'm in love with Yaoi   
Rating: 10.0 / 10.0
by ArtWaveAZJ
November 21st, 2014, 6:22am
It's not like Ritsu isn't in love with Takano right now. But it takes him long time to confess properly because he's a tsundere and his heart had been broken once. In the latest chapter, i remembered that he was scared about the future or some thing like "What comes after "happily ever after"" and asked Takano what would they do if they lived together and started dating. I like that. Ritsu is wanting a secure hapiness, like an ADULT.
P/S: I really like Nakamura-sensei quotes in this serie (more than Junjou Romantica) and her art is improving a lot smile
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Definitely anticipating every chapter   
Rating: 9.5 / 10.0
by trishakiss
September 7th, 2014, 4:29am
This manga is good and has a potential and way better than Junjou Romantica in many aspects (mostly the storyline). Anyway, I hope Nakamura-sensei would hurry and finish this up, which I think is pretty near considering the remaining days mentioned on the last pages of each chapter (unless she decides to put up new chapters from other pair which I totally don't like much, to admit). The pair I like most is, as hinted already, is Takano and Ritsu's. Other pairs don't seem to have anywhere to go (well, maybe Hatori's can improve?).

So sad though that the scanlation team stopped scanlating this and opted to just summarize each chapter which doesn't give justice to the manga at all. Sublime, the publishing company who licensed the series, will probably take 2-3 years to reach the part where the manga is at this point (and the wait is gonna be hard). But UPDATE, someone took it up and now I'm reading it! So happy biggrin
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Rating: N/A
by Ginny
August 17th, 2014, 12:01am
Why is it taking Ritsu so long to fall in love? 90 days? I like how it's not like most yaoi that like "sex leads to love", but 365 days. Nakamura is a joker smoker. It's a good manga overall and I can see why it's some people's favorite. It's just not mine. Frankly there are way better yaoi out there. Not a lot but I've read a few.
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I on the other hand don't mind the high rating   
Rating: N/A
by juls91
April 14th, 2014, 12:08pm
I'm not surprised for the "high rating" this manga has... Because i enjoy it though i won't rate it just yet.
The art, i think, it kind of bothered me at first, but now in the last 2 chapters 17-18 the art seems to have "improved/changed" but i MISS the old art, strange i know, i guess i got used to it, and it grew within me that particular style.
It might be cliche but not completely and that's nice, i like the characters and their personalities (most of it at least) . But i'm actually only paying attention to Ritsu and Takano's story.
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Totally overrated!   
Rating: 1.0 / 10.0
by chibifujoshi
March 18th, 2014, 4:21am
You would think working as a mangaka for 15+ years, your drawings would improve so much by now; but, nope, it's still hideous and one dimensional. Does she think people find her ugly drawings cute? Not to mention the way she draws her characters' eyes. *shudders*

Her manga are totally overrated, I can name at least ten mangaka who deserve the same level of fame and recognition than her.

So why are there so many fujoshi drawn to this kind of story? Which, by the way, is the SAME formula for all her stories. First, she makes two main characters share a past. Second, creates never-ending and repetitive conflicts between them. Third, makes the readers guess "will they won't they finally accept each other". Those who have waited for 9+ volumes to see whether the main character will crawl out of his denial and accept his feeling is ******. She won't give you the satisfaction at all! Of course, that main character will stay "strong" and vow to stay out of love; if not, the story will become boring so be sure to just drag the story for as long as possible. After all, 9 volumes is nothing, she needs to make sure it reaches 18 volumes.

I think it's disgusting to see other people assume yaoi stories are like that. No, there are a lot of mangaka who can come up with brilliant stories and draw yummy sex scenes. Especially not art that looks like it's drawn by a novice teenager.

... Last updated on March 18th, 2014, 4:34am
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