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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 - 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

Groups Scanlating
Dangerous Pleasure
Its Daletos!
September Scanlations
Tears and Rainbow

Latest Release(s)
c.Extras 1 by September Scanlations (105d ago)
c.19 by Its Daletos! (107d ago)
c.18 by September Scanlations (258d ago)
Search for all releases of this series

Status in Country of Origin
9 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: 8.9 / 10.0 (684 votes)
Bayesian Average: 8.8 / 10.0
 54% (368 votes)
 19% (130 votes)
 12% (83 votes)
 7% (45 votes)
 3% (23 votes)
 1% (4 votes)
 0% (1 votes)
 0% (2 votes)
 1% (4 votes)
 4% (24 votes)

Last Updated
December 13th 2014, 11:56pm PST



Category Recommendations





Original Publisher

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

Licensed (in English)

English Publisher

Activity Stats (vs. other series)
Weekly Pos #193 increased(+2)
Monthly Pos #174 increased(+39)
3 Month Pos #200 decreased(-71)
6 Month Pos #160 increased(+12)

List Stats
On 2597 reading lists
On 431 wish lists
On 77 unfinished lists
On 485 custom lists

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Forum Posts
Second Season green-lit 1243 days, 4 hours, 10 minutes ago
Sekai-ichi Hatsukoi Manga Has TV Anime in the Works 1340 days, 21 hours, 1 minutes ago

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User Comments [ Order by time added ]

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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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Don't get what all the hype is about...   
Rating: 4.0 / 10.0
by streetwalker
April 7th, 2013, 8:38am
Despite the fact that I tried reading Junjou Romantica before and ended up dropping it, I decided to give this a go since these mangas are so popular.

My initial impression was "better than Junjou" when it comes to the story. The art in the beginning of the series is just as god-awful. It's messy, but not because it's cluttered with too much detail or anything, in fact, it's too simplistic. It looks sketchy and not fine tuned at all, at times I felt like I was reading mere storyboards. Gives me a head ache to try and decipher what's going on. The characters are ugly, which kinda hurts the hotness of the yaoi-aspect of the story. To be brutally honest, it's probably the ugliest style out of any manga I've ever bothered to read.

However, the art â thank God â does get better and cleaner in later volumes, and though the design of the character's faces stays the same, the body proportions also become a lot more realistic as the story advances. Some panels are even stylistically quite artsy! I especially liked the rain scene where Ritsu and Takano are standing in the shelter...

When it comes to the story, there is something about it that's got potential. That, I think, is the humour more than anything else. The whole setting for the story is quite light and fun, not all that deep really, but not every story has to be. The only problem is that the plot develops slowly and the cute plot devices, like the count down to when Ritsu will fall in love, become repetitive. The manga industry setting is quite intriguing at least.

As for the characters, Ritsu and Takano aren't very likeable at first and there isn't anything very original about them. Reluctant uke in denial being forced by a forceful near rapist tsundere seme. Seen it, and seen it done much better too, even as these aren't my favorite yaoi tropes... Now, Ritsu had some good qualities, he doesn't come across as completely helpless, he's hardworking and quite strong-willed. Takano improves on closer acquaintance and I felt for him since he did seem rather hurt by Ritsu's rejection and messy love life. Despite being the poster boy of the overbearing tsundere seme, he turned out to be surprisingly caring. The insight we get into his back story and the deep feelings he has for Ritsu was for me the biggest draw of this story.

Kisa and Yukina are fine too, I enjoyed the story and liked the characters. Especially the older uke/eager young seme aspect was nice. I don't really remember the other couples...

There are things I like about this story but there are some serious consent and victim blaming issues even in the later volumes. Rape≠Love!

... Last updated on April 20th, 2014, 7:58am
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Rating: 10.0 / 10.0
by renxtsuruga
September 23rd, 2012, 2:21pm
MHMM<3 BEST YAOI MANGA EVER(: It captured my attention from the beginning and the artwork is pure amazing. I just love the personalities of the characters. RitsuxTakano <3
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one of my fav manga/anime except   
Rating: 10.0 / 10.0
by Narufan1st
August 27th, 2012, 5:49am
chiaki should be with yuu hatori is waaay too boring for him and chiaki and yuuu together are my OTP
my favourite couple though is kisaxyukina so cute<3
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Rating: N/A
by yaoi_addict
March 7th, 2011, 1:34pm
I really love Nakamura sensei's works! and this one is really awesome! the plot is funny and cute^w^..well I think it's not fair to compare it with Junjou Romantica because they are a bit different (and I personally like both of them *_*)
in my opinion this time Nakamura was able to draw a very interesting uke(Onodera Ritsu), I like his personality >w<and I also love Takano san*ç* but I can't stand Yokozawa è_é he's hateful and nasty and he really pissed me off!!!
well I enjoyed it a lot and I'm looking forward to reading the next chapter X3
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If it wasn't for him..   
Rating: 7.0 / 10.0
by EnjoyRomy
May 28th, 2012, 10:16am
What I like:
Takano, Kisa and Yukina. More or less they are frank, mature/adult, and sincere characters. I also like the misunderstandings and unsaid things and how pretty realistic they are, at least to me. My favorite couple is Kisa+Yukina, though I had high expectations for Takano+Onodera at the beginning. But then..

What I dislike:
Grown-up Onodera! I absolutely can't stand him! If it wasn't for Takano I would've stopped reading this already and I can't help but hope that he'd get tired of that kid and his immaturity and foolishness. Uff! Okay.. Also I'm not enthusiastic about how there seems to be only homosexual or straightbutinlovewithaman male characters in the same environment either.

... Last updated on May 28th, 2012, 10:20am
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Rating: 10.0 / 10.0
by DeDe4ever
November 10th, 2011, 6:06pm
So first, this manga to me is awesome. The charaters and the art are all 10 for me. Even though I just wanted to focus just on Takano x Ritsu, sensei pulled me into the other realtionships also. I dont like reading a manga again because I know everything that happened already and its just weird but I
I've read this one alone like 3 times (bored) but still I was excited because Ritsu isnt your average shhy uke and Takano isnt your average demanding seme. their a funny couple RECCOMENDED >___< READ IT

... Last updated on October 30th, 2012, 2:10pm
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LOVE it!   
Rating: 8.5 / 10.0
by ikuna
February 13th, 2011, 12:56pm
Wow. I had NO clue that this was from the same author as Junjou Romantica! xD No wonder Takano looks similer to Usumi!

Anyways, I prefer this to Junjou Romantica any day of the week! The drawings are definitely improved and Onodera's personality is more likable then Misaki's(in my opinion). So that's a big plus, I always loved having head strong uke's.

I think the story is great AND realistic, the drawings are amazing, the characters are great, and I cannot ait for the anime to come out this Spring!

... Last updated on February 17th, 2011, 4:48pm
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Pretty... good.   
Rating: 8.0 / 10.0
by lensan
March 27th, 2010, 10:21am
Alright, yes yes, the art is BETTER than Junjou Romantica but it isn't superbly good.
I think the artist HAS improved and the guys do look ... COUGH hotter. =u= Well, the plot seemed really new and refreshing at first but afterwards from reading the RAWS, it seemed kind of dull and lifeless.

I really hope she adds in some angst at some point. 8D
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Rating: 10.0 / 10.0
by xono
March 2nd, 2010, 6:21pm
Hilarious and witty. It's better than Junjou Romantica. The art though not as gorgeous that you can define in the mainstream BL manga, it captures and conveys the right emotions the charas are feeling. It's easy to follow and understand what the author tries to tell to the readers right on the spot. Also, credits to DP for the good translations.

If you're into laughs and intelligent dialogues, this is right one for you.

... Last updated on March 2nd, 2010, 6:22pm
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