Sekai de Ichiban Oppai ga Suki!

The ideal image of Chiaki Ichihara shines through her handsome looks and popularity as the girls' archery club captain, always impressing her classmates. However, behind her upstanding appearance, Chiaki hides an obsession with breasts! Seeing them is not enough for Chiaki; without getting a feel for them, she utterly fails to function normally.

Thankfully, Chiaki meets Hana Harumi, a student from a neighboring high school who agrees to satisfy Chiaki's desires, as she mistakes her request for a love confession. Hana's chest is a dream come true for Chiaki—its voluptuous size to admire, its flawless shape to try all sorts of things with, and its splendor is all for her to indulge in. Though their relationship gets off on the wrong foot, the two may find a budding romance beyond the bosom.

[Written by MAL Rewrite]

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Background

Sekai de Ichiban Oppai ga Suki! was published in English as Breasts Are My Favorite Things in the World! by Yen Press from June 23, 2020, to August 27, 2024.

The series was adapted into a two-part drama CD, which was bundled with the release of the third and fourth volumes of the manga on March 27, 2019, and December 27, 2019, respectively. The CDs feature two new stories by the original author.

More characters
Characters

Ichihara, Chiaki

Main

Harumi, Hana

Main

Momose, Touka

Supporting

Matsusaka, Riku

Supporting

Akira

Supporting

Kashiwagi, Kana

Supporting

Harumi's Mother

Supporting

Sasazuka, Subaru

Supporting

Reviews

Mar 3, 2025

Ginsu48

Recommended

It's time to finally do a short review of this after rereading it for a 3rd time! Truly up there with the greats!

I should say I am *not* an ecchi guy. I can enjoy it some, but it's impossible to carry something with just that. I need some depth and a hyper generous helping of adorable, fluffy romance. There's talk of boobs, but not nearly enough about how god damn adorable these characters are as they fall in love.

**Plot**

A fairly lengthy story about a weirdo girl that loves boobs to a concerning degree. It's a pretty hilarious and fun direction to kick off a romcom ... from, and somehow it works way too well. More than anything like this probably deserves.

It's very hard not to binge since it always engaging and funny every step of the way. The way the relationship progresses through the theme of the manga is pretty impressive since it never really abandon that theme at any point. Making a relationship evolve properly via groping of all things without delving into being mindless ecchi garbage is an incredible feat. You can tell the author put everything into making a genuine, fun story, and by the end it's just so sweet you wanna cry.

**Characters**

The main characters here are fun and interesting. They communicate well and are quick to resolve issues that may arise, which is really nice. Unnecessary drama that drags on too long is a common issue in yuri and romance in general, so it's always refreshing to have competent mains in the spotlight.

The way their emotions and perspectives change on what they're doing as they learn more about each other is just too adorable and sweet. It's a nice, natural progression throughout the whole story and is the main reason you'll end up staying til the end.

The side characters that show up throughout are pretty solid as well. They support the mains well and add some nice variety to what's going on in any given moment without overstaying their welcome. They aren't too prominent since the main focus of the story is pretty heavily on the main duo, but it's never boring when they do show up.

**Art**

The art is the best of things. It's very consistent and looks amazing all the way through. It does a great job at selling the emotions of all the characters and is responsible for how damn precious the whole manga feels. It's one of the most important aspects of romance manga, and this one did a great job.

**Enjoyment**

Every time I go back through this it's always so fun. It's highly underrated and it's a damn shame this is the first full review of the manga. Seeing complaints about things you just didn't bother to read to see get resolved is wild, and gushing only about the boobs really just undermines the story and characters for what they are.

This is what ecchi *should* be.

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Mar 15, 2021

Im_Stuff

Recommended

Funny

Preliminary (46/83 eps)

Have you ever seen any piece of fiction, and said to yourself: "This is it, we have peaked, nothing better will ever be made."

Because this is me with Sekai de Icchiban Oppai ga Suki. Warning: I will gush hard, I have no idea how long this review will be, and if there's no TL;DR up there, then it will be at the end.

The plot is basically there's this high school girl except she's got huge boobs. i mean some serious honkers. a real set of badonkers. packin some dobonhonkeros. massive dohoonkabhankoloos. big ol' tonhongerekoogers.

This is genius, how on Earth nobody else came up with ... such a masterfully crafted plot?

The premice is just godly, we follow this boob crazed cold beauty named Ichiara Chiaki on her day to day life, exploring the gracious chest of this girl from another school Harumi Hana and developing the threads of fate through the threads of breasts, exploring the many layers of relationship between thee groper and the groped.

The author could have stopped there and this manga would have still been decent, but nay, there is way more than meets the eye.

This is not merely a manga about touching breasts, nay, this explores the breast as one would explore the Americas back in the days. Never forgetting to preach the billions of breast types across the world. Ranging from gigantic jugs to tiny mounds, from the softest to the firmest, while also showing us how a true relationship between groper and groped works, as it is not as one-sided as your local rapist may believe. For after all, a groper needs proper understanding of what he gropes, for the groping to reach new heights. And perhaps, through groping, a better understanding can be reached, o'e that words couldn't portray.

Don't take the shoujo-ai genre on it at face value. A relationship of sorts is reached, but it is, first and foremost, a Manga about groping, the science of groping, the philosophy of groping, the art of groping and the sociology of groping. In fact, same goes for the ecchi genre, the impurity of groping is merely a social construct, one that has become more harmful as the human psyche progressed forward. All groping present within Sekai de Icchiban Oppai ga Suki is pure in heart and mind, this manga, baring breasts willy-nilly, has nothing perverted in nature and should be, in fact, taught in schools, for there is no better communication than the one between one's hands and one's breasts.

As for the character's designs, a great manga about breasts is obviously going to require great characters with varying types of great breasts, which the manga does deliver in a great fashion, although I cannot help but notice the lack of a middle ground, and while satisfying both extremes is not a bad idea, it leaves the moderates rather unhappy with the situation, although I do not talk about myself, being a small breasts apologist through and through.

TL;DR: Yes officer, I did grope this stranger's breasts in the streets, but it was only means to get closer to her heart. And if that's illegal, then I will go to prison and hold my head high. A manga that delivers to near-perfection on the most incredible premise in the history of manga. I cannot recommend enough to read this if you like breasts, aka are a normal human being.

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Sep 16, 2019

RobbyRob

Not Recommended

Preliminary (31/83 eps)

I Like OPPAI Best in the World…basically is what you’d expect from this manga. It is about tomboy Ichihara Chiaki who is a member of the archery club and beloved by her classmates because of her masculine physique. She just has one, tiny little issue. She is a huge breasts fetishist who is absolutely obsessed with the sweater puppies of tsundere Harumi Hana who despite going to a different school, allows Chiaki to grope her….

Yeah. This manga doesn’t have a lot going for it. The central theme can be funny, but that’s really the only thing about the manga that it has to offer. ...

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Poll: Sekai de Ichiban Oppai ga Suki! Chapter 71 Discussion luinthoron - Aug 30, 2023	9 replies	by luinthoron »» Dec 29, 2024 2:01 PM
Poll: Sekai de Ichiban Oppai ga Suki! Chapter 19 Discussion Stark700 - Nov 28, 2018	4 replies	by IsahMooN »» Oct 17, 2023 9:17 AM
Poll: Sekai de Ichiban Oppai ga Suki! Chapter 70 Discussion luinthoron - Aug 4, 2023	3 replies	by Comander-07 »» Aug 8, 2023 3:38 PM
Poll: Sekai de Ichiban Oppai ga Suki! Chapter 69 Discussion luinthoron - Jul 4, 2023	2 replies	by redbuzz »» Jul 8, 2023 5:10 PM
Poll: Sekai de Ichiban Oppai ga Suki! Chapter 52 Discussion luinthoron - Jan 5, 2022	4 replies	by dead10080 »» Jul 3, 2023 1:40 PM

Sekai de Ichiban Oppai ga Suki!
Breasts Are My Favorite Things in the World!
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Breasts Are My Favorite Things in the World!
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