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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
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
September Scanlations

Latest Release(s)
c.3 by Ninja Scanlations (160d ago)
c.22 by Ninja Scanlations (165d ago)
c.22 by It's Daletos! (289d ago)
Search for all releases of this series

Status in Country of Origin
11 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: 8.8 / 10.0 (735 votes)
Bayesian Average: 8.7 / 10.0
 52% (380 votes)
 19% (136 votes)
 13% (97 votes)
 7% (48 votes)
 4% (28 votes)
 1% (7 votes)
 0% (3 votes)
 0% (3 votes)
 1% (4 votes)
 4% (29 votes)

Last Updated
October 14th 2016, 1:27pm PST



Category Recommendations





Original Publisher

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

Licensed (in English)

English Publisher
SuBLime (5 Volume - Ongoing; Print)

Activity Stats (vs. other series)
Weekly Pos #383 decreased(-36)
Monthly Pos #348 increased(+29)
3 Month Pos #365 increased(+5)
6 Month Pos #330 decreased(-12)

List Stats
On 2766 reading lists
On 464 wish lists
On 93 unfinished lists
On 539 custom lists

Note: You must be logged in to update information on this page.

Forum Posts
Second Season green-lit 1915 days, 15 hours, 36 minutes ago
Sekai-ichi Hatsukoi Manga Has TV Anime in the Works 2013 days, 8 hours, 27 minutes ago

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User Comments [ Order by usefulness ]

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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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cliche cliche   
Rating: 6.0 / 10.0
by NeoFish
December 8th, 2013, 11:12pm
I honestly dont think this manga is /horrible/ but its definitely not as good as it ratings chalk it up to be. (and I actually think its a whole lot better than Junjou Romantica)
The most prominent thing about series is the repetition of basically misunderstands and some smut. Really the whole plot just moves practically at a stand still because of all the unnecessary and ridiculous misunderstandings.
While I'm not too crazy over most of the sex scenes and such, I would admit that I find the humor to be good and I enjoy that aspect of it.
I say, read a little bit of it, and if it suits your taste or not, then thats what youll pretty much be getting for the rest of it.
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